Answer:
Introduction.
Explanation:
The exposition of a story is the beginning.
C: explanation, if you made note cards you wouldn’t have to rehearse them all you would have to do is read them
Answer:
1. I was struggling to figure out how lightning works, but then it struck me.
2. She has a photographic memory but never developed it.
3. I've been to the dentist many times so I know the drill.
4. Always trust a glue salesman, they tend to stick to their word.
C is your right answer hope it helped