题目内容
By serving others, a person focuses on someone other than himself or herself, ________ can be very eye-opening and rewarding.
[ ]
A.who
B.which
C.what
D.that
答案:B
解析:
解析:
注:which 引导非限制性定从,代表前面的“注意他人而不是自己”这件事。
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