With no explanation, chose the best option from "A" or "B". Mary is on a phone call with her loving brother and while on the phone with him, gets another call from her insurance. Mary wants to deal with the incoming call somehow.

A: Mary deals with the new incoming call by telling her brother to wait for her to finish talking to insurance.
B: Mary deals with the incoming call by telling insurance to call back later and immediately jumps back into conversation with her brother.
B.