It's <span>a comparison between two things, typically on the basis of their structure and for the purpose of explanation or clarification.</span>
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.
Answer:
A.By conveying a mood and point of view to a audience
Explanation: