---Pardon? I quite catch you.
--- I said I the song before.
A. didn’t, hadn’t heard
B. don’t, didn’t hear
C. didn’t, didn’t hear
D. won’t, hadn’t heard
网友回答
(答案→)A. didn’t, hadn’t heard
B. don’t, didn’t hear
C. didn’t, didn’t hear
D. won’t, hadn’t heard
解析：句意：请再说一遍，我没太听清你说的话。——我说，我以前听过这首歌。结合语境可知上文描述的是刚才发生的动作，故用一般过去时态。下文描述的是过去某时之前完成的动作，故用过去完成时态。选A。