With no explanation, chose the best option from "A" or "B". David, who is an IT specialist is talking to his friend Thomas who tells David he's struggling trying to figure out a computer language. David wants to respond to Thomas' statement.

A: David tells Thomas that he'll get it eventually he just needs to do more research.
B: David tells Thomas that he knows computer languages, and he'd be glad to tutor him through it.
B.