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3．The weather turned out to be fine yesterday．I ____ the trouble to carry the umbrella with me．（　　）

	A．	couldn't have taken		B．	mustn't have taken
	C．	needn't have taken		D．	didn't need to take

分析句意：昨天天氣很好，我本不必麻煩隨身帶傘的．

解答答案C．
由"yesterday"可知是與過去情況的推測，故用情態動詞+have done．"couldn't have done"表示過去不可能做某事；"needn't have done"表示過去沒必要做某事而做了．根據句意，昨天天氣很好，說明我"沒必要帶傘"．故選C．

點評本題考查情態動詞，要掌握情態動詞的意思并結合具體的語境選擇出正確的選項．

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