When she came back from abroad Lucy told us about the cities and the people she had visi

问题补充：

When she came back from abroad, Lucy told us about the cities and the people she had visited.

A. that

B. who

C. where

D. which

答案：

(答案→)A. that

B. who

C. where

D. which

解析：考查定语从句，先行词有人也有物the cities and the people，所以使用关系代词that，选A。