—Sorry，it’s already 6 o’clock.I have to be off for an appointment.
—OK.________.
A．It couldn’t be better B．You really have me there
C．Let’s call it a day D．Take your time
—Sorry，it’s already 6 o’clock.I have to be off for an appointment.
—OK.________.
A．It couldn’t be better B．You really have me there
C．Let’s call it a day D．Take your time
C 解析： 考查交际用语。句意为：——对不起，已经六点了。我必须离开去赴约了。——好吧。我们今天就到这儿吧。