Question

—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

Answer 1

A

考查定語從句的關系代詞。who “代替人”作主語或者賓語；whom “代替人”作賓語；what不用于賓語從句；which“代替物”作主語或者賓語；先行詞為人， 在從句中作主語。 故選A。