hey,look where you are going!oh,i am terribly

问题描述:

hey,look where you are going!oh,i am terribly
—Hey ,look where you are going —Oh ,I’m terribly sorry ,________ .
A .I’m not noticing B .I wasn’t noticing C .I haven’t noticed D .I don’t notice
为什么?

B
因为是刚才没有注意,而经过他提醒之后,现在已经注意到了.所以要用过去进行时