Even people who dread public speaking should accept invitations to speak before large groups. People will admire their courage and they will experience the
1. The person is challenged? Sure, if they dread public speaking, then public speaking is a challenge. 2. The person pays attention to how they emotionally / physically reacted to the challenge? Kind of. This eventually talks about us feeling fulfillment from the fact that we reacted to the challenge by getting through it. 3. The person gains useful insights into their own weaknesses? No, it's a real success story. There's nothing in here about struggling with a weakness and learning something about it. Maybe we could say that the "weakness" was their fear in the first place. And so they gained a useful insight that, "if they conquer fear, they will feel some fulfillment"? 4. It's an important source of self-knowledge? Kind of. "Even people who dread X should do X" sounds like it's stressing the positive that come from challenge. Overall, pitting this against (A), they both describe challenging circumstances, but there's a clearer indication in (A) that someone learned about a specific weakness they had by challenging themselves. "You challenged yourself; you messed up; you learned some useful insight that will help you the next time you're challenged." (E) is more like, "You had a weakness (i.e. a fear), but you challenged yourself to confront it and it felt good."