请教一道英语单选,并解释.

题目

请教一道英语单选,并解释.
－_ you read the newspaper ?
－yes ,I _it on the bus while I was on my way to work .
A.have ;read
B.did ;read
C.have ;have read
D.did ;have read

答案

A 问句是想在完成时,强调影响.答句是一般过去式,强调结果.注：read过去时还是read