Faced with this, I may as well _______ according to my conscienc

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】：这道题考到一个词组 may as well 中文“不妨，还不如，最好”后面直接接动词原形。