With no explanation, chose the best option from "A" or "B". John is talking to his friend Kim who tells John that he's going to try to make it to the NBA. John wants to respond to Kim's statement.

A: John tells Kim that it will be really difficult, but he believes in Kim and if he can help somehow he will.
B: John tells Kim that he's being ridiculous and that he would never make it so it'll just be a huge waste of time.
A.