Which of the following explanations is more likely to be based on a social scientific approach (rather than a natural scientific approach)?

Orestes bought his tunics today at the Romana Republic Tunic and Toga Shoppe because:

A) He has brand loyalty to Romana Republic clothing
B) All of his Romana Republic tunics have lasted far longer than tunics from either Old Galley clothiers or Pope Urban Outfitters.
C) Romana Republic tunics are the most fashionable
D) The salesperson at Romana Republic Shoppe recommended them