问题补充：
The weather turned out to be fine. Ithe trouble to carry my umbrella with me.
A. needn’t have taken
B. wouldn’t have taken
C. won’t have taken
D. couldn’t have taken
答案：
(答案→)A. needn’t have taken
B. wouldn’t have taken
C. won’t have taken
D. couldn’t have taken
解析：needn’t have done sth本来不必做某事（实际却做了）;wouldn’t have done sth 过去不会做某事却做了;couldn’t have done sth 过去不可能做了某事。根据语境选A。
