1.
M:Didn't you get my message?
W: What messsage?
M: Yesterday I asked your secretary to tell you to call me.
W: __
(a) Sorry, I just got back from a business trip.
(b) I knew you would be upset like that.
(c) I can't believe what you're sayin!
(d) It hasn't occurred to me.
why (c) can't be the right answer?