The satellite launching center was built in a secret place,around __ high mountains.
A which was B it was C which were D them were
人气：459 ℃ 时间：2020-06-25 07:18:26
解答
C
这是用了全部倒装语序的定语从句,介词around 前置,指物,只能用which ,这样可排除B,D
由于主语high mountains是复数,故选复数谓语C
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