问题补充：
A good student is honest and kind to others. In other words, he never his friends.
A. remarks
B. debates
C. betrays
D. blames
答案：
A. remarks
B. debates
(答案→)C. betrays
D. blames
解析：动词词义辨析题。A. remarks评论 B. debates辩论C. betrays出卖 D. blames 责备好学生诚实对他人友善，换句话说他不会背叛朋友。选C
