Brinker International Operates Restaurants in Several Different Segments of the Casual

Brinker International operates restaurants in several different segments of the casual dining market. Their brands include Chili's Grill & Bar, Romano's Macaroni Grill, and On the Border. Brinker's corporate level strategy is best described as

A) a relatively high level of diversification.
B) an example of product diversification.
C) an example of unrelated diversification.
D) an example of a corporate entity that should manage its firms using the efficient internal capital market allocation approach.