With no explanation, chose the best option from "A" or "B". Jimmy is running in one of the last two meets to qualify for the championship when he feels a quick pain in his knee. Jimmy wants to qualify for the championship meet.

A: Jimmy runs in his qualifying heat and his knee injury goes from a minor one to a major one.
B: Jimmy withdraws from the meet and waits for the later one in order to let his knee recover.
B.