She had three daughters, all ______ became nurses.A、of whichB、of whomC、whichD

游客2023-09-27  28

问题 She had three daughters, all ______ became nurses.

选项 A、of which
B、of whom
C、which
D、who

答案 B

解析 非限定性定语从句,介词后面用whom或which,此处指人,用whom。
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