Question

【题目】— Why is it _________ Mr. Smith seldom mentions his childhood?
— Perhaps he suffered a lot in his childhood.
A.不填
B.what
C.how
D.that

Answer 1

【答案】D
【解析】句意：—为什么史密斯先生极少提到他的童年？—或许因为他童年受了很多的苦。根据句意可知，这里构造了强调句，强调原因why，故用that，选D。