单选题 Because his health is getting worse, he has to ______ himself from drinking to excess.
【正确答案】 A
【答案解析】restrain意为“抑制，制止”；confine意为“限制，禁闭”；restrict意为“限制，约束”；confirm意为“确定，批准”。restrain oneself from是固定搭配，意为“克制自己”。