“Someone is knocking at the door,please( )it”he said to me.

问题描述:

“Someone is knocking at the door,please( )it”he said to me.
A close B answer C look D see
这题的意思是?
knocking是什么意识?

B
有人在敲门,请去开门.他对我说
KNOCKING是敲的意思.