In the story of Cupid and Psyche, Cupid represents love while Psyche represents the soul.
The moral of this story is "curiosity kills the cat". As you may or may not know, Psyche was instructed by Cupid (while he was invisible) to not try and find his identity, or what he looked like.
However, Psyche was so curious and did what she was told not to do, because of her curiosity. This caused Cupid to be heartbroken and their relationship was dented.
Hank Aaron is a well known former MLB player. The explanation for his aches and pains is arthritis. He suffers from arthritis in both of his knees. As of June 2016, he is 82 years old.
C. Character Development, would be my best answer out of the choices you've stated.