For 1. Available
2. convincing
3. vain
I would say that the parallel list here is C) a lost puppy, a colored poster, and a happy boy.
This is because all words have an article <em>a, </em>and an adjective in front of them, so they are parallel.
B. I knew the rain falling lightly from the clouds would stop.
It’s a verb and it means encourage or stir up (violent or unlawful behavior)
Answer:
B.
Explanation:
Spot sounds like a firefighting dog.