With several students Mr. Smith came into the lab. A. followB. followedC. followingD. to

问题补充：

With several students , Mr. Smith came into the lab.

A. follow

B. followed

C. following

D. to follow

答案：

A. follow

B. followed

(答案→)C. following

D. to follow

解析：考查独立主格结构。several students和follow之间是主谓关系，且表当时正在进行的动作，所以用following形式。选C。