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.
C. the second person responds with “yes, i like it a lot”, so we can assume the first person asked them, “and you?” which is “y a ti?”
Answer: b for the first one c for second d for third and then a for last
Explanation: