abroad for a tour can be a great honor for an ordinary person like me.A. TakenB. TakingC.

问题补充：

abroad for a tour can be a great honor for an ordinary person like me.

A. Taken

B. Taking

C. Being taken

D. Having been taken

答案：

A. Taken

B. Taking

(答案→)C. Being taken

D. Having been taken

解析：句子缺少主语，首先排除A. D；B项表示主动，只能选C。