单选题 Who is the man ______ you talked about yesterday?
A. which B. that C. how D. of which

【正确答案】 B
【答案解析】[解析] 该题考查定语从句关系词的用法。当主句已经有疑问词who或者which时，后面定语从句的关系词只能用that，一般不用which或whom，故选B。