1. (2023九下·盐都开学考) —Look at the advertisement. What does it say?
—If you pay￥100, you can ______.

Mrs Rainbow's Colour Therapy

Just pay￥100, you can have an hour of Colour Therapy on either Monday or Tuesday. We promise this therapy will help you change your moods, or you will get your money back!

A . have a Colour Therapy for two hours B . go to the Therapy centre twice a week C . change Mrs Rainbow's moods D . get your money back if it doesn't work