问题
选择题
| The policeman's attention was suddenly caught by a small box which ______ placed under the Minister's car. |
A. has been B. was being C. had been D. would be |
答案
答案：C
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| The policeman's attention was suddenly caught by a small box which ______ placed under the Minister's car. |
A. has been B. was being C. had been D. would be |
答案：C