The answer is most likely C. TRAE. Trae means bring.
C
1.tantas
2.tantas
3.tantos
4.tanto
5.tantas
D
1.tantas
2.tantos
3.tantos
4.tantos
5.tantas
6.tantos
He (Which should be El, but anyway) visto is not correct, because you are talking about someone else. Yo Tengo is correct, because you are staying that you have seen.
Answer:
D) ellos VOLVIERON temprano