With no explanation, chose the best option from "A" or "B". Mike is at work when his coworker and team member Frank tells him he's applying for a promotion. Mike wants to say something to Frank about him trying to leave the team.

A: Mike tells Frank that he's not nice for leaving the team and trying to further his own career.
B: Mike tells Frank that it's a great idea which he supports and wishes Frank the best of luck.
B.