I think it means how dreams can take up a lot of space in your mind which means you will be determined to work hard on that dream.
Hope this helps
The sport of hunting game(animals)such as hares with greyhounds
Lightheartedness means cheerful, carefree ect.
This means the line "The sounds of water splashing and laughter echoed in the distance; Tim's friend's had gone for a late-night swim." is the phrase that is the correct answer, since it talks about the happy actions of Tim's friends.
Answer C.
