In his speech he said that it was his primary school teachers that he was fond of influen

问题补充：

In his speech, he said that it was his primary school teachers that he was fond of influenced his whole life.

A. what

B. which

C. who

D. as

答案：

A. what

B. which

(答案→)C. who

D. as

解析：考查强调句。分析句子结构可知，句中采用的是强调句式，其中被强调的部分是“his primary school teachers that he was fond of”，指人，故选who。句意：在演讲中，他说是他喜欢的小学老师影响了他的一生。故C正确。