The teacherscame for a visit are foreigners.A. who B. whom C. whose D. which

问题补充：

The teacherscame for a visit are foreigners.

A. who

B. whom

C. whose

D. which

答案：

(答案→)A. who

B. whom

C. whose

D. which

解析：考查定语从句的关系词。who 指代人，在从句做主语和宾语；whom指代人，在从句做宾语；whose指代谁的，在从句做定语；which指代物，在从句做主语和宾语。此处修饰先行词是“人”而且在从句中作主语，用who引导。故选A。