D. Many stars avoid interacting with fans, so Jackie is behaving generously.
Explanation:
Option D is the correct answer.
Leticia thinking about what she knows about sports stars will definitely mean that she knows that many stars actually avoid interacting with fans. It is something that seems to be prevalent among many stars (though not all). They actually try to avoid interacting with their fans for reasons best known to them.
So. for Jackie to have interacted with her, it shows that Jackie is behaving generous and different from others.
