With no explanation, chose the best option from "A" or "B". Tom is dating Nelly but Nelly is very vanilla in bed and inexperienced. Tom wants to do some bondage play with his girlfriend Nelly.

A: Tom asks Nelly repeatedly to tie him up in bed.
B: Tom asks if Nelly would like to learn about bondage play over time and gives her a book to read on it.
B.