The people of Brazil can best be decribed as

Question

A Primarily indigenous in descent
B largely of the white European ancestry
C mestizos with shared-indigenous heritages <--- c is my answer
D mixed race with native, African, and European roots.

Answer 1

The tables and graphs here are very interesting. Please read them very carefully.

http://en.wikipedia.org/wiki/Demographics_of_Brazil#Migrations

http://en.wikipedia.org/wiki/Demographics_of_Brazil#Racial_composition

http://en.wikipedia.org/wiki/Demographics_of_Brazil#Composition_of_Brazil.2C_genetic_studies

Answer 2

Your course materials may refer to mestizos, but in Brazil people of mixed race are called Pardo Brazilians. Look up the demographics in the sites Writeacher posted for you. :)