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.
The answer to your question will be C
Answer:
Explanation:
Significa que al estar el sol dormitando no alumbra ni da calor en el frío invierno que enfría todo lo que toca y pareciera estar jugando a la falta del calor solar.