The question below comprises four scattered segments of a paragraph. Identify from among the four choices the sequences that correctly assemble the segments and complete the paragraph.

A. Advertisements are messages paid for by those who send them and are intended to inform or influence people who receive them.

B. Advertising is always present, though people may not be aware of it.

C. Advertising is a means of communication with the users of a product or service.

D.  In today's world, advertising uses every possible media to get its message through.