问题
选择题
The stone on the river bank rolled under her feet； she was _____into the river，and she called out for help.
A．being jumped
B．jumped
C．pulled
D．being pulled
答案
D。
was being pulled是过去进行时的被动形式。【译文】河岸的石头滚到她的脚下；把她推到了河里，于是喊救命。