题目

题型：不详难度：来源：

The boy keeps coughing,and the doctor tells the parents it still needs more time to _____
the reason.

A．put off	B．figure out
C．make up	D．look through

答案

B

解析

  考查动词短语辨析。put off推迟，拖延；figure sth.out弄懂，弄清楚；make up编造；化妆；look through翻阅，翻找。分句句意为：要查明原因还需要更多时间。故选B项。