15. What is this ad for?
(A) Teaching people how to use their BeautiMed points.
(B) Telling people they can shop at BeautiMed on the Internet now.
(C) Inviting people to share their shopping experience at e-BeautiMed.
(D) Letting people know what is on sale at e-BeautiMed from 7/1 to 8/31.