问题
选择题
| During the Olympic Games many people served as volunteers, ____ were young college students. |
A. most of them B. more of which C. most of whom D. most of what |
答案
答案：C
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| During the Olympic Games many people served as volunteers, ____ were young college students. |
A. most of them B. more of which C. most of whom D. most of what |
答案：C