问题
单项选择题
Nowadays, our government advocates credit to whatever we do or whoever we contact with. Once you （） your words, you will lose your social status and personal reputation.
A．keep up with
B．give away with
C．go back on
D．lose sight of
答案
参考答案：C
解析：
go back on违背(诺言或协议)。keep up with知道正在发生的事情。give away with泄露(秘密)。lose sight of忽略。