题干
—I' m sorry, but I didn’t mean__________ out your secret.
—But you know, letting out one's secret means________ one' s feelings.
A：to let; to hurt
B：letting; hurting
C：to let; hurting
D：letting; to hurt
答案(点此获取答案解析）
C
原则之一，已被写入我国宪法