单选题 Since his injury was serious, the doctor suggested that he ______ in the game.

【正确答案】 C

【答案解析】句意：因为他伤得很重，医生建议他不要参加比赛。suggest 在句中意为建议时，其从句中应该用虚拟语气，即 should +do 的形式，所以本题选 C。