题目内容：

一道英语词汇辨析题,有关responsibility,liability,circumstance,obligation
If you have not signed a contract,you are under no ______ to pay them any money.
A.responsibility
B,liability
C,circumstance
D.obligation
答案选的D,我觉得除了C以外,AB也能说得通啊,更何况B有法律上的责任的意思吧,选B不是刚刚好可以和前面的contract呼应么?

优质解答

答案选D.obligation
翻译：如果你还未签合同,你就没有任何义务支付他们任何（赔偿）钱.
A.responsibility 责任,职责
B.liability 责任,义务
C.circumstance 环境,情况
D.under obligation to do sth 固定用法,表示“有义务、责任去做某事”