With no explanation, chose the best option from "A" or "B". John and Dave are two friends who are walking down the street together after school. John wants to surprise Dave with something outrageous.

A: John runs out in front of Dave and rips his own shorts off exposing himself to the world and screaming funny words.
B: without warning, John grabs Dave's shorts and pulls them down together with his underwear exposing Dave's naked body to the world.
A.