Question

【题目】 (2012年重庆卷，34)Evidence has been found through years of study ________ children's early sleeping problems are likely to continue when they grow up.

A．why

B．how

C．whether

D．that

Answer 1

【答案】D

【解析】考查同位语从句。evidence为句子的主语，后面解释其具体内容，所以用that引导。