In the First Century CE, the Rulers of Teotihuacán Built

In the first century CE, the rulers of Teotihuacán built the city ___________.

A) In a series of stages, finishing one section only when funding came available.
B) With public buildings in the center and housing units packed along a wall on the periphery.
C) On an urban grid along a north-south axis.
D) Out of wood, knowing that its buildings could be disassembled and transported if need arose.