题目内容
He collected information on 1,000 people, whose IQ when they were ten years old.
| A．is tested | B．has tested | C．would test | D．had been tested |
D
解析
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________ when the door burst ______.
| A．Hardly did he collect the papers on his desk; opened |
| B．No sooner had he collected the papers on his desk; opened |
| C．Hardly had he collected the papers on his desk; open |
| D．No sooner did he collect the papers on his desk; open |