Here are some examples of informal questions you could ask them (and possible answers):
De donde eres? (Where are you from?)
-Soy de España (I am from spain)
Tienes mascotas? (Do you have pets?)
-si, tengo 5 perros (Yes I have 5 dogs)
Miras películas? (do you watch movies?)
-Si. Miro la película “Meet The Robinsons” cada fin de semana (Yes. I watch the movie “meet the robinsons” each weekend)
Tienes hermanos? (do you have siblings?)
-No, no tengo hermanos. (No, I don’t have siblings)
Bebes café? (do you drink coffee?)
-No, pienso que el té es mejor. (no, I think tea is better)
May I ask what is the sentence? I could help you
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!
You may want to write in English so we can understand what your trying to say !