The second choice uses two different times for the two verbs. Its wrong. The first choice does make sense but its in past tense. The third choice is in present tense as to what both groups of people are doing right now in different places. I think its the third choice because of this.
En colombia está el arroz con leche, postre de maracuya en argentina está el arequipe ,en cuba está la Natilla de vainilla, pastel de limón, en España está dulce de leche
Hey! I'd love to help you. I wanted to know if you have an answer, and would like me to write it in Spanish for you OR I can answer it myself in Spanish and just give it to you. Let me know.