Which of the Following, If True, Would Strengthen the Case

Which of the following, if True, would strengthen the case that Christina has a good opportunity in opening a new pizza restaurant?

A) There are many existing pizza restaurants in Christina's city.
B) The pizza business in Christina's city has remained largely unchanged for many years.
C) Restaurant consumers in Christina's city mostly frequent Mexican restaurants.
D) Pizza restaurants require several experienced employees to be successful.
E) Pizza restaurants can be found in almost any town in the United States.