Qué te gusta hacer en el verano?
a. me gusta esquiar.
b. no me gusta nada.
c. me gusta nadar.
d. sí, me gusta.

I would say the best answer is C. (I like to swim)
El verano is the summer, so the question is asking " what do you like to do in the summer". A. says "I like to ski" (not very logical for the summer), B. "I don't like anything". D. Yes, I like it.

So the best answer is C. I like to swim

The correct answer is letter b. an open air produce market. the ' la ruta de los artesanos in mendoza' means that it is an open air produce market where products and other good and services are there in the market widely open to other people.