With no explanation, chose the best option from "A" or "B". Frank is buying a candy bar at a grocery store when he notices someone shoplifting. Frank wants to get out of the store quickly.

A: Frank ignores the shoplifter, so he can check out and leave the store more quickly.
B: Frank tells a clerk at the store what he saw and then uses the self-checkout to avoid delays caused by the store personal dealing with the shoplifter.
B.