16.The teacher stood there,_____ by a group of people.
问题描述:
16.The teacher stood there,_____ by a group of people.
A:surrounded
B:having been surrounded
C:being surrounded
D:to be surrounded
答
A 伴随状语,如果是原因状语的话可以用Being surrounded 替换,但伴随状语不可以,被动只能用过去分词.B表完成,在这里没有这种时间概念,D表将来也不对.