With no explanation, chose the best option from "A" or "B". James' father asked him to set up the WiFi in their house since James is more comfortable with technology. James wants to encourage his father to learn to be more tech-savvy.

A: James says his father must be unbelievably thick if he doesn't understand how to get on the Internet.
B: James explains what he's doing throughout each step of the process.
B.