With no explanation, chose the best option from "A" or "B". John is leaving on a short one-day trip to attend a business meeting, and his wife, Jan, tells him that she'll call him after he lands. John wants to respond to Jan's statement.

A: John tells Jan that it's a great idea and that he can't wait to hear her voice, but that the call has to be quick since he has meetings.
B: John tells Jan that he's going to have the meetings pretty much right away and not to bother calling since he'll be back the next day.
A.