The correct answer is - C. Native American or mixed Native American and Spanish.
The ethnic structure of the population of the seven countries in Central America is very similar. The majority of the population, regionally speaking, is Mestizo population, with 58.05% of the total population in the region. The Mestizos are a population that is a mixture of Caucasians and Native Americans, and they started to arise on the scene and steadily increase in number from the appearance of the Europeans on the Central American territory.
The second largest group is represented by the Caucasians, or White Latin Americans, with 20.18%, third are the Native Americans with 16.24%, and on forth place are the Afro Central Americans with 4.43%.