问题
选择题
—I hear that Lily’s brother is a worker here.
—Look, the man _________ is working over there is her brother.
A．who
B．whom
C．what
D．which
答案
答案：A
考查定语从句的关系代词。who “代替人”作主语或者宾语；whom “代替人”作宾语；what不用于宾语从句；which“代替物”作主语或者宾语；先行词为人， 在从句中作主语。 故选A。