¿Para qué crees que es útil levantar encuestas entre la población?

para saber que es lo que piensa la gente sobre el tema

Explanation:

translated the questions are:

do you need that cup?

need to use these napkins?

do you prefer this apple pie or that flan?

would you like more?

do you prefer this chocolate ice cream or that vanilla ice cream?

1. no necesito eso taza

2. sí tengo esas servilletas

3. prefiero esta tarta de manzana

4.   i'm not sure

5.prefiero este helado de chocolate

also if you need later on i used to use this website:       plz let me know if im wrong: )

answer is a: las

explanation:

the reason for this answer is becouse it's a plural frase which talks more then one thing