Answer: The right answer is the B) Each floor has a different type of classically inspired column.
Explanation: Just to elaborate a little on the answer, it can be added that Alberti constructed the façade for this private building—one of the many commissions for the wealthy Rucellai family—between 1446 and 1451. This façade is considered a very typical example of the Renaissance style of architecture. The façade is divided in three tiers, and in each one of them he used a different order for the pilasters: Tuscan in the first (bottom) tier, Ionic in the second tier, and Corinthian in the third tier.
