One Advantage of Using the Internet as an Advertising Medium

One advantage of using the Internet as an advertising medium is that

A) there is no need to segment markets.
B) it has video and audio capabilities similar to television.
C) there are no real costs except computers used for initial encoding.
D) online ads almost always result in a "click," an action that leads to the purchasing of a product.
E) there is a long life span for the ads.