Question

I still remember the college and the teachers ________ I visited in London years ago.

A．what

B．who

C．that

D．which

Answer 1

C

what一般不用于定語從句；who在定語從句中指人； that既可指人，也可指物；which指物。句意：我仍舊記得幾年前去倫敦訪問的大學和老師們。結合語境可知本句中先行詞the college and the teachers中既有人，又有物，故引導詞只能用that，選C。