I knew he collected stamps and coins and asked him whether his collection_____.

问题描述:

I knew he collected stamps and coins and asked him whether his collection_____.
A.was growing b.was grown c.grew d.had been grown

growing在这里表示"增加的状态"也就是问你收集的东西变多了吗?B被动不对,C主动变为成长,种植的意思,D也是被动不对