when we arrived there,there the bricks and stoneswhen we arrived there,they ------ the bricks and stones.A.removingB.removedC.were removing D.remove可不可以有解释啊、

问题描述:

when we arrived there,there the bricks and stones
when we arrived there,they ------ the bricks and stones.
A.removingB.removedC.were removing D.remove
可不可以有解释啊、

哪哪都碰壁

c 某一时点 进行时

C
我们到的时候,他们正在板砖和石头.
此题属于考察 过去进行时
理解了句意,就比较好选了.