Question

Do you know Nelson Mandela, _______ was the first black president of South Africa.

A．which

B．that

C．who

D．whose

Answer 1

C               

             
試題分析：考查定語從句。句意：你知道南非第一位黑人總統曼德拉嗎？ _______ was the first black president of South Africa是 Nelson Mandela,是定語從句，先行詞是人，故可以用which或者that,因為前面有逗號，故是非限制性定語從句，故選C項。        
考點 : 考查定語從句。