—Many students don’t know how to stress and become worried.—I think they’d better ask the

问题补充：

—Many students don’t know how to stress and become worried.

—I think they’d better ask their teacher for help.

A. come up with

B. do with

C. deal with

D. argue with

答案：

A. come up with

B. do with

(答案→)C. deal with

D. argue with

解析：句意：—许多学生不知道如何处理压力并变得焦虑。—我想他们最好向他们的老师求助。Come up with, 提出，指想法等；do with, 处理，与what 搭配；deal with,处理，与how搭配； argue with，与……争论，跟某人争论。结合语境可知是处理压力，由于是how引导，故选C。