It creates a reassuring tone should be the correct answer.

<u>Hope</u><u> </u><u>it</u><u> </u><u>Helps</u>
<u>#BrainliestBunch</u>
Well, the answer should be D.
Why?
Because not every story doles the character learn something. But in every story there is a conflict.
I sorry, but if you can send the book or story about Dr.Brand I may be able to help.