around our new dormitory the foreigners were taken to visit our canteen which lies behind

问题补充：

around our new dormitory,the foreigners were taken to visit our canteen,which lies behind.

A. Showing

B. Having shown

C. Being shown

D. Having been shown

答案：

A. Showing

B. Having shown

C. Being shown

(答案→)D. Having been shown

解析：此题考查非谓语动词作状语。从句子的意思我们可以知道the foreigners和show around之间是被动关系（外国朋友被带领）,另外show around的动作发生在were taken to的动作之前,所以我们应该用现在完成时的被动式形式。