This is the complete sentence in Spanish:
Yo soy estadounidense. Yo soy de los Estados Unidos.
This means that the correct option is:
A. los Estados Unidos.
Adjectives of nationality
Adjectives of nationality are called gentilicios in Spanish. Gentilicios are not written in capital letters in Spanish. It is the main difference with the English language.
In this case, estadounidense is the gentilicio for a person who is from Estados Unidos. The translation is that an American is the person who is from the United States.
Check more information about adjectives of nationality here https://brainly.com/question/12319048
