-What did your parents think about your decision?----They always let me doI think I sh

问题补充：

---- What did your parents think about your decision?

----They always let me doI think I should.

A. when

B. that

C. how

D. what

答案：

A. when

B. that

C. how

(答案→)D. what

解析：本题考查名词性从句。句中what引导宾语从句，在从句中作宾语。句意：——你父母怎么认为你的决定？——他们总是让我做我认为我应当做的。