All of the Following Apply to the Olmecs at San

All of the following apply to the Olmecs at San Lorenzo EXCEPT:

A) They built the first important Mesoamerican center around 6000 BCE, before the major centers of Egypt were established.
B) In order to provide sufficient food, farmers cleared dense tropical rainforests to create arable fields.
C) We are not certain what they called themselves; the name "Olmec," meaning rubber people, was given to them by the Aztecs.
D) The fields were near riverbanks, where silt deposited by floods created rich soil, resulting in a high yield, about twice that in the villages of the Mexican valleys.