题目内容：

17．She wanted to know ______.
A.Why didn’t I think it was a good idea
B.Why I didn’t think it was a good idea
C.Why I thought it wasn’t a good idea
D.Why did I think it wasn’t a good idea
为什么选A

优质解答

B 首先这是宾语从句 从句要用陈述句语序 所以A D 不行 要选why I didn't
再有 “我认为..不...”英语要在think前面否定,而不是在认为的观点上否定,所以选B