I would suggest “C. It stresses the importance of not letting your dreams go” because repetition is often used for emphasizing (or stressing) a point.
Answer:
1. forgave
2. affairs
3. enroll
4. Even if
5. improve
6. punctual
7. repaired
8. empty
9. muddy
10. hang
11. jobs
12. support
16. fined
13. harmful
14. nephew
15. fit
17.? (I'm going to guess economic)
18. materialistic
19.tolerate
20. dispose
21. biased
22. cottage
23. evidence
24. votes
25. conflict
26. diagnosis
27. events
28. pessimistic (you had that there so I'm going to assume that's the only option)
Subject: mice
Verb: scurry
5. She was the one to deliver her babies
6. Tituba confessed because she was treated to be whipped
Abigail confessed because she saw the reactions Tituba was getting