----I am sorry to tell you that you shouldn't smoke here.

问题描述:

----I am sorry to tell you that you shouldn't smoke here.
Please look at the sign.
----Oh,I am sorry.I_____it.
A.don't notice
B.didn't notice
C.will notice
D.have noticed

选B 意思是我刚才没有主义到它,是过去的时间