The answer is b (hace calor) because if you need flip flops to go to florida then it means that it is hot and that is what hace calor means :)
Is that rest of the question? : because I'm willing to help out more but you need to provide more information since all I could do is speculate what you're trying to asked.
i need the full question?
Las obras se llaman Confieso que he vivido y Memorial de una Isla Negra.
Espero que esto te ayude!!! :)
