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He loves his parents deeply, are very kind to him. A. both of them B. both of wh

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He loves his parents deeply, are very kind to him. A. both of them B. both of wh

He loves his parents deeply, ________ are very kind to him.

   A. both of them   B. both of who    C. whom     D. both of whom

试题答案

D

解析: