Answer:
In order for a sentence to be grammatically correct, the subject and verb must both be singular or plural. In other words, the subject and verb must agree with one another in their tense. If the subject is in plural form, the verb should also be in plural form (and vice versa).
Explanation:
Esta is. The verb that best completes the question
The best answer for this question is, C. Mas o menos.
The question is asking you , How are you?
The best answer choice is C. Mas o menos, which means, Im ok or so-so.
I hope this helps!