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 sat D to sit

熱心網友

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 sat D to sit 句中有and，所以選c。和前邊found平行。沒有and選a。

熱心網友

選擇C