With no explanation, chose the best option from "A" or "B". John and Jim are leaving a party and Jim is very drunk and wants to drive himself home. John wants to keep Jim from hurting himself.

A: John convinces Jim to ride home in John's car instead, saying it isn't safe for Jim to drive.
B: John calls the cops as Jim is getting in the car and tells them there's a drunk driver in the area.
A.