The Answer should be Imperative.
The reason is because a simile has like or as in the sentence and a metaphor is referring to an object in the sentence and a rhetorical question is asking a question so those are wrong.
Answer:
4. She changed it to "Curse of the Tetherball Fiend" and sent it again.
Explanation:
In the first sentence, "Children" is a noun and should not be capitalized.
In the second sentence, "phantom" isn't capitalized but should be as part of the title.
In the third sentence, "Magazine" is a noun and should not be capitalized.
