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．who

B．which

C．they

D．that

Answer 1

A

试题分析：考查定语从句。本题定语从句的先行词是young people, 定语从句中缺少主语，故使用who;句意：在过去几年里，《我心永恒》是一首很很受年轻人欢迎的歌曲，这些年轻人经常被听见在聚会中听这首歌。故A正确。
点评：定语从句的关键在于分析句子成分，如果句子很完整就使用冠词副词；如果句子中缺少主语，宾语，表语或者定语则使用关系代词。