问题
选择题
| When ____ about the source of his income, he hesitated for a moment, obviously not willing to give us a direct answer. |
A. asked B. asking C. being asked D. having asked |
答案
答案：A
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| When ____ about the source of his income, he hesitated for a moment, obviously not willing to give us a direct answer. |
A. asked B. asking C. being asked D. having asked |
答案：A