Having devoted his life to the realization of racial equality former South African Preside

问题补充：

Having devoted his life to the realization of racial equality，former South African President Nelson Mandela＿＿＿on December S，．

A. passed away

B. had passed away

C. has passed away

D. passes away

答案：

(答案→)A. passed away

B. had passed away

C. has passed away

D. passes away

解析：

试题分析:句意：在为实现种族平等贡献了一生之后，南非前总统纳尔逊.曼德拉于12月5号去世了。根据时间状语on December 3，可知句子用一般过去时态，答案选A。