【题目】Have you ever listened to the song Yesterday Once More, ________ singer died in her early years?
A.its
B.it's
C.whose
D.which

【答案】C
【解析】考查连词。根据句子结构可知，该句为非限制性定语从句，先行词song，作从句主语singer的定语。句意为，你有没有听过昨日重现这首歌啊，歌的演唱者在早年就去世了。