题目内容：
The author implies that which of the following is characteristic of many employee health insurance plans?
A．They cover all the common medical conditions affecting men, but only some of those affecting women. B．They lack the special provisions for women workers that proposed special labor laws for women would provide.
C．They pay the medical costs associated with pregnancy and childbirth only for the spouses of male em-ployees, not for female employees.
D．They meet minimum legal requirements, but do not adequately safeguard the health of either male or female employees.
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