高中英语选择题:At last, we found ourselves in a pleasant park with trees providing shade and __

问题描述:

高中英语选择题:At last, we found ourselves in a pleasant park with trees providing shade and __
down to eat our picnic lunch.
a sitting b having sat c to sit d sat
A 还是D 呢?是and 连接的两个并列句还是found 的两个动作?怎么看?

At last,we found ourselves in a pleasant park with trees providing shade ,sitting.或者At last,we found ourselves in a pleasant park with trees providing shade and sat.只有在做状语的时候,也就是第一个句...