Answer:
The right answer is, B. Más vale pájaro en mano que cien volando.
Explanation:
Because according to the context of the previous conversation, this proverb means that it is better to earn a little money that is yours and that you can dispose of it, than to earn nothing by waiting for something that may not reach your hands.
If you know another language other than English it will benefit you by:
1. High salary
2. Knowledge
Nota el tono de voz y el lenguaje corporal de la persona.