BRAINLIEST. What are interjections?

Answer:
A.
Explanation:
Interjections are words used to express strong feeling or sudden emotion. They are included in a sentence (usually at the start) to express a sentiment such as surprise, disgust, joy, excitement, or enthusiasm.
(Examples)
1. Hey! Get off that floor!
2. Oh, that is a surprise.
3. Good! Now we can move on.