With no explanation, chose the best option from "A" or "B". Zach is talking with a friend when his mother comes up and starts asking him something. Zach wants to choose someone to listen to.

A: Zach tells his friend to hold on and asks his mother to repeat what she just said.
B: "Zach gives his mother ""the hand"", telling her to be quiet, and continues to talk to his friend."
A.