This says nothing about direct-mail advertising, so it can’t be right. The conclusion is about direct-mail advertising, yet the premises never even raise the subject of direct-mail advertising. The correct answer choice must bridge this gap.

(B) tells us what it takes to utilize direct-mail advertising, but it doesn’t explain why pizzerias utilize direct-mail advertising more effectively than other restaurants, so it doesn’t help the argument’s conclusion to be properly inferred.

This says nothing about direct-mail advertising, so it can’t be right. The conclusion is about direct-mail advertising, yet the premises never even raise the subject of direct-mail advertising. The correct answer choice must bridge this gap.

(D) tells us why direct-mail marketing is rarely beneficial for some restaurants but it doesn’t explain why pizzerias utilize direct-mail marketing more effectively than do other restaurants.

According to the premises, pizzerias routinely record the names, addresses, and menu selections of their customers. If (E) is true, we can infer that pizzerias always utilize direct-mail marketing more effectively than do other restaurants, which is the argument’s conclusion.