Answer:
Across the way I saw a lady wearing a yellow hat and green shoes walking her oversized mud-colored poodle.
Explanation:
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.
the answer is b go to the zoo