问题补充：
The Voice of China is such a popular program with viewers has produced many a music-lover.
A. who
B. that
C. where
D. as
答案：
A. who
B. that
C. where
(答案→)D. as
解析：
试题分析:考查定语从句。分析结构可知has produced many a music-lover.是定语从句，修饰先行词program，定语从句中缺少主语，应该选关系代词，而当先行词前有such、 the same、so等修饰时，定语从句要用as引导。故D选项正确。句意：中国好声音是一个受观众欢迎的节目，这个节目产生了很多音乐爱好者。
