【题目】The weather turned out to be fine yesterday. I the trouble to carry my umbrella with me.
A. should have taken B. could have taken
C. needn't have taken D. mustn't have taken
在线课程【答案】C
【解析】试题分析：考查情态动词。句意：昨天天气很好，你本不必带着你的雨伞的。虚拟语气，本来不必要做某事但是却做了，故选C项。