It could be A or D but I’m assuming it’s probably A
Animal characters usually exhibit what you've described. Stereotypes regarding animals such as the lion being courageous or the fox being sly are usually found as traits of the characters themselves when created as anthropomorphic characters.
Evidence (B.) is the answer
Thriving can teach you to conquer life problems and being intelligent in some ways like financially
A metaphor for courage might be describing someone as having "the heart of a lion". He does not actually have the heart of a lion, it's a metaphor to show that he is courageous.
