The stone on the river band rolled under her feet;she____into the river,and she called out for help
问题描述：
The stone on the river band rolled under her feet;she____into the river,and she called out for help
A was pulled
B was being pulled
C was pulling
D had been pulled
我觉得好象是选A ,可是又好像记得以前做过是选B ,高手帮帮忙啦~
答
应该是选A吧,应该是被推,不能是正在被推啊.