With no explanation, chose the best option from "A" or "B". Bobby has been sweating all day at work, but he is so tired that he doesn't feel like doing anything but going to bed. Bobby has to decide whether he wants to take a shower before bed.

A: Bobby decides that it is worth his last bit of energy to clean himself up before going to bed.
B: He decides that he's just too tired to take a shower tonight and slips into bed while he is still dirty and sweaty.
A.