Faced with this, I may as well ____ according to my conscience a

Faced with this, I may as well ____ according to my conscience and beliefs.
A、vote
B、to vote
C、voting
D、voted
【正确答案】：A
【题目解析】：May as well表示最好…，后面接动词原形。此句的意思是面临这种情况时，我最好还是按照自己的良心和信仰来投票。