---ugly,these chocolate cookies don't sell well even though they taste good.

问题描述:

---ugly,these chocolate cookies don't sell well even though they taste good.
A.being looked B looked C.looking D.to look
敢问高人这都是涉及的什么语法
本人应该从哪入手看语法

c,这是伴随状语,逻辑主语是cookies 通常说 sth looks ugly,就是系动词用法,不用被动形式
多看看英语句子之类的找找感觉,像逻辑主语,伴随状语,独立主格,都是差不多这样的,都可以看看,再做点练习加强一下