The correct answer is lonely because there is noone he can talk to unlike before. All his friends have been acting like strangers by not opening their doors for him when he needed someone to talk to. While feeling lonely, he felt expressing his thoughts to noone but himself.
The answer would be B, it used personification to imply that running is exhilarating.
Where a person or species lives in or occupies
The answer is the Climax of the story.
