英语六级

单选题

A.Men with sleep apnea seldom showed brain problems.
B.Women with sleep apnea were more likely to become depressed.
C.Most cases of sleep apnea had been diagnosed officially.
D.People with sleep apnea would become depressed sooner or later.

参考答案:B进入在线模考
What did researchers find in their study?  B。

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