outofthetaxi,hewasseizedbythepolice.A,whensteppedB,onhissteppingoutofthetaxi,hewasseizedbythepolice.A,whensteppedB,onhisstepping,B为什么不对呢,

Question

_out of the taxi ,he was seized by thepolice.A,when stepped B,on his stepping
_out of the taxi ,he was seized by the police.
A,when stepped
B,on his stepping
,B为什么不对呢,

Answer 1

A 肯定是错的!逻辑主语he 是这个分词stepping所表动作的执行者,要用现在分词才对
即：
When stepping
B 也不对,因为逻辑主语一致,犯不着用动名词的复合结构,如果用on,即：
On stepping
所以我怀疑你选项抄错了,