If you don't want to go swimming you as well stay at home.Actually it is up to you to dec

问题补充：

If you don want to go swimming，you as well stay at home.Actually，it is up to you to decide.

A. should

B. would

C. can

D. may

答案：

A. should

B. would

C. can

(答案→)D. may

解析：may/might as well构成习惯搭配，意为“倒不妨……”。