问题补充：
He was wearing a lot of clothes to himself from the cold.
A. protect
B. prevent
C. keep
D. stop
答案：
(答案→)A. protect
B. prevent
C. keep
D. stop
解析：考查动词短语辨析。Protect sb from…保护某人免受…伤害；prevent/keep/stop sb from doing sth阻止某人做某事；句意：他穿了很多衣服以保护自己不被冻伤。故A正确。
