C it’s estudies because the other ones don’t make sense
Answer:¿Abuela, me puede traer ese libro, por favor?
¿Abuela, me puede decir que horá ès, por favor?
Explanation: The 'usted' isn't used because the formality is adjusted to the question or statement.
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Answer:
salen
Explanation:
It wouldnt make sense with any others because salo is not a word and salimos is for nosotros, and salgo is for one person