问题
选择题
When he came back from abroad, John told his parents about the cities and the people ____ he had visited.
A．who
B．which
C．where
D．that
答案
答案：D
题目分析：考查定语从句。本定语从句的先行词是the cities and the people先行词既有人又有物，使用that，在句中做visit的宾语；who只能之人； which只能指物。Where在句中做状语。故D正确。
点评：当先行词既有人又有物的时候，使用关系代词 that。