Which of the following phrases shows the correct use of the artcle "the"?

A. los hermanas
B. el hermanos
C. el papá

Of the options provided, only one uses the article "el" correctly:

C. el papá

"El" is a definite article used in Spanish for masculine singular nouns; "papá" means "dad" or "father" in English.

Option A. "los hermanas" is incorrect because "hermanas" is feminine plural, and it should be "las hermanas" (meaning "the sisters").
Option B. "el hermanos" is incorrect because "hermanos" is masculine plural, and it should be "los hermanos" (meaning "the brothers").