A．Only one in four girls cries less often than boys.
B．Of four boys, only one cries very often.
C．Girls cry four times as often as boys.
D．Only one in four babies doesn't cry often.

A.Only
B.
B．Of
C.
C．Girls
D.
D．Only

【参考答案】

C
解析：推理判断题。文章指出。男孩哭泣的次数只有女孩的四分之一，换而言之，女孩哭泣的次数是男孩的四倍，故为C)。