I think it would be C because he says how he believes it makes them happy, but there is no proof that animals are happy when they have crowd cheering them on.
a.)mailed a letter to his father
Answer:
No hablo inglés, así que solo intento conseguir un punto yaaa, un pequeño feo
Explanation:
Placid means peaceful and tranquil.
The best synonym for placid would be C. peaceful.