The answer may possibly be a
<span>C. Youthful
"Child-like" as a word can best be replaced by the adjective youthful. It is the correct part of speech to fit into the rest of the sentence, and it means basically the same thing. Acting like a child is acting as one did in youth, so youthful and child-like are very close synonyms. </span>
The purpose of a Tragic drama is to cause Catharsis, that is pity for the main character who is often a better person than ourselves. The purpose of a Comedy play is to mock people who are worse than us and learn from their mistakes. This was defined by Aristotle, so you can fit this definition into your possible answers.
In "How the Animals Lost Their Tails and Got Them Back Traveling From Philadelphia to Medicine Hat" by Carl Sandburg, the main characters are animals and they are introduced in a comical manner. Sandburg uses literary devices; onomatopoeia, alliteration, and repetition.
