One Important Difference Between Chav'n and Teotihuacán Is That

One important difference between Chav'n and Teotihuacán is that

A) Teotihuacán remained a city-state, while Chav'n ruled over a vast regional empire.
B) The people of Teotihuacán were capable of planning a well-organized city, while Chav'n's main city consisted of a jumbled collection of disparate structures.
C) Teotihuacán ruled over a regional empire, while Chav'n remained a single city-state.
D) Teotihuacán was a religious center, while Chav'n was largely a trading post.