The classic period of Mesoamerican civilization was an era of advances

The classic period of Mesoamerican civilization was an era of advances in all regions that occurred

A) at the very beginning of the habitation of the Americas about 20,000 years ago.
B) between the 5th and 2nd centuries B.C.E.
C) between the 2nd and 10th centuries C.E.
D) in the last two centuries.
E) none of the above.

ANSWER
C