Modern equipment and no smoking are two of the things I like working here.A. withB. overC

问题补充：

Modern equipment and no smoking are two of the things I like working here.

A. with

B. over

C. at

D. about

答案：

A. with

B. over

C. at

(答案→)D. about

解析：题意是“就在这儿工作的原因，现代化的设备和无烟环境是我喜欢在这儿工作的两个原因。”about表示“关于，就…而言”。