The answer is D. It is the best one.
I think it's Peter. Peter feels brave and adventurous after he hears Aslan's name because Peter is a courageous person.
The right answer for the question that is being asked and shown above is that: "Both essays have a conversational tone." the two traits are common to the essays “The Danger of Lying in Bed” and “The Fallacy of Success” is that <span>Both essays have a conversational tone.</span>