Based on the passage and questions provided, here are the correct answers:

1. **What can be the best title for the passage?**
- **A. "Teenagers and Their Hobbies"**

2. **What is the main benefit of following one's passions, according to the passage?**
- **B. Developing new skills**

3. **Why might it be challenging to focus on a passion?**
- **C. Personal aspirations are unclear**

4. **According to the passage, why do teenagers experience a sense of purpose when pursuing their passions?**
- **B. They need to overcome challenges**

5. **What does the word "perseverance" in the passage mostly mean?**
- **B. determination**

These answers reflect the content and themes discussed in the passage regarding passions and challenges faced by teenagers.