Question

In the past few years, My Heart Will Go On was a popular song among
young people, ____ were often heard singing it at parties

A．they

B． that

C． who

D．which

Answer 1

C

試題分析：考查非限制性定語從句：句意：在過去幾年，我心依舊這首歌在年輕人中很受歡迎，經常在聚會上聽到他們在唱這首歌。因為定語從句是人被聽見唱歌，所以缺少的主語是人，用who引導限制性定語從句，that不能做限制性定語從句。選C。