Everyone hopes that we can do something to make things better so we cant help under the

问题补充：

Everyone hopes that we can do something to make things better, so we can help under the stress.

A. but working

B. but to work

C. work

D. but work

答案：

A. but working

B. but to work

C. work

(答案→)D. but work

解析：can help but do…相当于 have to do….。