With no explanation, chose the best option from "A" or "B". Ellie's mother was on the phone when her friend asked her if she could sleep over. Ellie wants to ask her mother if she could sleep over at her friend's house.

A: Ellie tugs at her mother's shirt and calls her name until she gets her attention.
B: Ellie waits until her friend gets off the phone to ask her if she can go.
B.