(单选题)

（）

A.could

B.must

C.should

D.can

参考答案：A

参考解析：

考查情态动词辨析。句意：海因兹表示，在上大学时，他发现自己“对妈妈的依赖比我意识到的要多”，并补充说：“我希望自己当时的烹饪技术再好一点。”could have done表示未实现的可能性，表示过去本来可能发生的情况，而实际上没有发生，通常译为“本来可以”。must have done表示对过去事实的肯定推测，should have done意为“本该做某事”；没有can have done的表达。分析选项和语境可知，could have done符合句意。故选A。

知识点：

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