单选题：Text 9Everyone knows that being the parent of an infant is h

Text 9
Everyone knows that being the parent of an infant is hard. There's the sleeplessness,the screaming fits to tend to, the loss of autonomy, the social isolation and the complete monotonyof it.
Everyone also knows that there is only one socially acceptable response to this predicament: adogged insistence that the adoration you feel you're your child makes all the sacrifices worthwhile.The only valid excuse for feeling sad or despondent is a postpartum hormonal crash.
This is the ideology of modern parenting, and it can lead to unnecessary feelings of guilt andshame, for it ignores an inconvenient truth: that many women and men experience significant psychological distress in response to becoming a parent and that much of this distress isn't caused bya hormonal epiphenomenon of the birth process. It is driven instead in large measure by the objec-tively bleak circumstances new parents often face. That you're your child is not always sufficient tocounteract this reality.
Fortunately, over the past few years, the ideology of parenting has been challenged by socialscientists, who have repeatedly demonstrated a profound disconnect between parenting dogma andthe actual experience of parenthood.
Although many parents happily take to their new role, millions every year respond with de-spair. According to a 2010 article, among new parents--three to six months postpartum--42 per-cent ofmothers and 26 percent of fathers exhibit signs of clinical depression.
The story is similarly bleak when we look at people's day-to-day experiences. In a studypublished in the journal Science, people reported their emotional experiences during each of 16activities over the course of the previous day: working, commuting, exercising, watching TV, eating,socializing and so on. They experienced more negative emotion when parenting than during any ac-tivity other than working.
Parenthood takes its toll on your relationships as well. A 2009 study found that the transitionto parenthood is linked to reduced happiness in the marriage and more negative behavior duringspousal conflict. Evidence also demonstrates that this transition is connected to substantial reduc-tions in the size of a parent' s networks of family and friends.
This research, which doesn't even touch on the staggering financial cost of raising a child,provides clear evidence that for many people becoming a parent is one part blessing, one part trauma.
Given the ideology of parenting, it's not surprising that we typically blame biology for theexperience of postpartum depression. But the fact that postpartum depression rates are much higheramong the poor than among the wealthy, who can purchase peace of mind through hired child care,supports the idea that the phenomenon is, in most cases, more circumstantial than biological.
The ideology of modern parenting insists that__________. A．being the parent of an infant is hard.
B．there are many socially acceptable responses to the sacrifices.
C．you love your child makes all the sacrifices worthwhile.
D．you can find many excuses for feeling sad.