Mr. Wang has two sons looks like him.A. both of whomB. neither of whomC. all of themD. e

问题补充：

Mr. Wang has two sons, looks like him.

A. both of whom

B. neither of whom

C. all of them

D. each of them

答案：

A. both of whom

(答案→)B. neither of whom

C. all of them

D. each of them

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