题目内容：
What can be inferred from the passageabout "language delay"?
A．It can be prevented by doctors. A．It can be prevented by doctors.
B．It is seldom found among children.
B．It is seldom found among children.
C．It can be improved with certain help.
C．It can be improved with certain help.
D．It may result from hearing problems.
D．It may result from hearing problems.
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答案解析：