Red Bud Florist Received a Mail with an Offer from Aquafoam,a

Red Bud Florist received a mail with an offer from Aquafoam,a water-soluble foam brick frequently used for arranging fresh flowers.According to the offer,if the owner of Red Bud places an order with Aquafoam,she would be automatically registered to win $10,000 in a customer appreciation contest.This is an example of the combining of direct marketing with:

A) a trade promotion.
B) public relations.
C) advertising.
D) personal selling.
E) a consumer promotion.