Final answer:
Mexico is the largest Spanish-speaking country in the world.
Step-by-step explanation:
The subject of this question is Geography.
Mexico is the largest Spanish-speaking country in the world. Spanish is the official language of Mexico, and it is spoken by a majority of the population. Mexico has a rich linguistic and cultural heritage influenced by its Spanish colonization.
Therefore, the correct option is Spanish.
Learn more about Mexico's status as the largest Spanish-speaking country