题目内容：

Hardly had they arrived at the airport ___the plane started to leave.
A．than
B．then
C．until
D．when
选哪个,为什么呢?
参考答案是选C，我觉得选D的朋友说的也很有道理的。那到底是他们赶上了飞机没有啊?

优质解答

C HARDLY 表示否定,相当于NOT ……UNTIL