When___on rocks,the plant grows to a bush,____broad leaves and large flowers.A growing,having B grown,to have C grew,having D growing,and have

问题描述:

When___on rocks,the plant grows to a bush,____broad leaves and large flowers.
A growing,having B grown,to have C grew,having D growing,and have

我觉得:
第二空应用现在分词表示特征,排除B,D
C不对,时态混乱,前面grow用过去式,后面用现在时。
选A,when+现在分词,
供你参考。

A

A
句子中已有谓语,所以只能选择分词来作伴随状语,又因为是主动关系,故用ing形式