MINI-CASE Bob and Larry Have Taken Their Fly Fishing Equipment and and Accessory

MINI-CASE
Bob and Larry have taken their fly fishing equipment and accessory business, Flies-R-Us, to the Internet because they wanted to expand their business. However, they don't have much money to use conventional media to drive traffic to their site.
-Refer to Mini-Case. Bob and Larry are getting good at this and have decided they'd like to have an "Internet commercial" on their web site, much like a TV ad but not on TV. What type of Internet advertising is this called?

A) pop-up
B) move-alongs
C) minisite
D) banner ad
E) superstitial