Answer:
a. intrapersonal skills
Step-by-step explanation:
The skills you have learned in your Public Speaking course help you to feel more confident and you finally muster the courage to start up a conversation with someone you've been admiring from afar. This is an example of how public speaking can help improve your intrapersonal skills.
Public speaking course boost confidence to face the audience and trained to overcome the fear of public speaking these skills enhance your skills known as interpersonal skills.