Ya te respondí. Creo que solo me deja responder en español y quiero los puntos jaja. La respuesta está en un comentario. Espero te ayude ;)
the answer is A. Imperfecto progresivo.
The progressive imperfect is used to express something that was taking place in the past. It is formed using the verb to be in past (in this case: estaba) plus the verb ending in ing (ando, endo, in this case: cantando). It is mainly used for: on-going actions that were happening in the past.
Answer:i hope you meant what they mean
Explanation:
Cantar = sing DEcorar= decorate. Escuchar = listen Celebrar= celebrate
A. Ser un buen amigo es valioso
