Final answer:
The correct option is A. cuerpo. It means body.
Step-by-step explanation:
The correct option in this case is A. cuerpo.
The word used to complete the sentence is "cuerpo", which means "body" in English. The sentence says that Luis is in good body because he exercises every day. This implies that Luis is physically fit and takes care of his body by exercising regularly.
Therefore, the most appropriate option to complete the sentence is option A, cuerpo.
Learn more about Completing the sentence in Spanish