问题
单项选择题
（） when she started complaining.
A．Not until he arrived
B．No sooner had he arrived
C．Hardly had he arrived
D．Scarcely did he arrive
答案
参考答案：C
解析：
hardly/scarcely…when表示“一…就”，该结构中前半部分需用过去完成时，后半部分用一般现在时。
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