Hay una flor en este jarrón
I'm not exactly sure what you're asking, but I'll try.
The answer is "compro" because it's past tense. I should know, I speak both Spanish and English.
I don’t think you wrote it correctly but i have to go with B.
You can go to Mexico, Venezuela , Cuba, españa, Republica dominicana, and you can say the culture of the Indian ate really interesting and complex because they have a lot of deidades and their have a gastronomical rich