--How do you like the songs sung by Liu Huan?--They were wonderful ,( )I couldn't hear his words clearly sometimes.A.because B.so C.but D.if请说明原因.

问题描述:

--How do you like the songs sung by Liu Huan?
--They were wonderful ,( )I couldn't hear his words clearly sometimes.
A.because B.so C.but D.if
请说明原因.

c
表转折意思,因为前后两句的语气是相反地