La protagonista is your andwer
There is a frog. The frog has a small mouth. The frog has a problem. The poor frog can't eat with a small mouth. So the frog's friend has a solution. The frog's friend makes tiny sandwiches for the frog.
El tono, it means tone, in the first sentence it says “aparente de la voz” and conflict isn’t a voice, an argument isn’t a voice, and a character isn’t a voice, so the answer is b, el tono
