问题
选择题
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
答案：B
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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