Explanation:
was the only one present who had said nothing. For some time he had sat silent beside Bilbo's empty chair, and ignored all remarks and questions. He had enjoyed the joke, of course, even though he had been in the know.
Autistic children sometimes can't understand as well or as fast as "normal" children, so they may need more explanation or a simpler form of communication.
Jack told her thanked her for driving him home
Where is the story :):):)