Can someone help me with this question?

Which statement about the culture of the ancient Olmec civilization is correct?

a. Their beliefs and culture basically disappeared after the Spanish conquest occurred.
b. Their culture and traditions are largely based on the Aztecs who came before them.
c. Their traditions and culture continue to survive today in modern Zapotec people.
d. Their written records have provided valuable information about their life and culture.

Respuesta :

Among the options provided, the statement about the culture of the ancient Olmec civilization that is correct is letter D which is their written records have provided valuable information about their life and culture. Now, the ancient Olmec Civilization is being named as the one of the earliest significant civilization in the land of Mesoamerica
I did the same question and its D