Este recuerdo que compré en Santo Domingo es mi abuelo.

por
para

You’re answer is para! Por means by, and para means for. Your sentence says “This souvenir that I bought in Santo Domingo is my grandfather.”

Hope this helps!

Ese hombre estaba conciente cuando dijo eso en el programa de vida real.

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.