select the correct answer.\nwhich word best completes this sentence?\ntomás y marta un regalo muy caro para…

Brief Explanations:

• Analyze the subject "Tomás y Marta" (third - person plural).
• Look for the verb form that matches third - person plural in the past tense. "Compramos" is first - person plural (we bought), "compré" is first - person singular (I bought), "compró" is third - person singular (he/she bought), and "compraron" is third - person plural (they bought).

Answer:

C. comprarón