Introduction:
The writer's feelings about the prospect of making new friends in America can be inferred from the context of the passage. By analyzing the writer's tone, thoughts, and actions, we can determine how they feel about this particular subject.

Explanation:
In the given options, the correct answer is option 'A' - Excited.

Supporting Evidence:
1. The writer's positive language: Throughout the passage, the writer uses positive and enthusiastic language when discussing the prospect of making new friends in America. This indicates a sense of excitement and anticipation.

2. The mention of new experiences: The writer expresses excitement about the opportunity to meet people from different cultures and backgrounds. They mention the possibility of learning about different customs, traditions, and perspectives, which suggests a genuine interest in forming new relationships.

3. The writer's proactive approach: The writer states that they are ready to step out of their comfort zone and make an effort to connect with others. This willingness to take initiative and engage with new people further supports the idea that they are excited about making new friends in America.

4. The absence of negative emotions: The passage does not mention any feelings of anxiety, indifference, or reluctance towards the prospect of making new friends. Instead, the focus is on the potential for positive experiences and personal growth.

Conclusion:
Based on the writer's positive language, enthusiasm, proactive approach, and lack of negative emotions, it can be concluded that the writer feels excited about the prospect of making new friends in America.