With no explanation, chose the best option from "A" or "B". Rob who is always late for work, is at his desk when his manager, Giancarlo tells him to stop being late every day. Rob wants to respond to Giancarlo.

A: Rob tells Giancarlo that he's truly sorry and that he'll get his act together and come on time.
B: Rob tells Giancarlo that he doesn't care what he thinks because he's been doing it forever and it wasn't a problem before.
A.