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: Tourism in Costa Rica?
Explanation:
En costa Rica se puede andar en bicicleta. Tambiem se puede nadar en el mar. Otra cosa que se puede acer es caminar por los caminos en la montanas.
