43. A: I’m really sorry, but I am afraid I can’t go to the concert with you tonight. I have to attend a very important meeting.B: That’s quite unexpected, but ____________. There will be other opportunities.A: Thanks for your consideration. I’ll make it up to you next time.B: Take your time. We can plan something else later.(A) it’s no problem (B) you must be kidding (C) you need to inform me in advance (D) I’ll talk to you later