. I told your friend how to get to the hotel, but perhaps I have driven her there. A. cou

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A. could
B. must
C. might
(答案→)D. should
解析：比较：“could+have+过去分词”的意思是“本来可以”“本来应该”“本来能够”; “must+have+过去分词”的意思是“一定已经”; “might+have+过去分词”的意思是“本来可以”“本来可能”; “should+have+过去分词”的意思是“本来应该”。根据句意，显然只有D最佳。