听力原文:M: This TV set is not working properly. I suppose we should buy a new one, but I
W: If only you hadn't bought that motorbike.
Q: Why didn't they buy another TV set?
(4)
A.Because they had bought a new bike.
B.Because their TV set could work properly.
C.Because they didn't think it necessary to do so.
D.Because the man had just bought a motorbike.