Answer: its
Explanation: The correct pronoun would be its instead of “it’s” or “it”because “it’s” is an abbreviation of it is and it is representing object. The answer is not “their” because “their” is plural.
The kind of device this author is using is Dramatic Irony, when the reader knows something the character does not.
Answer:
provide reasons and evidence that support the controlling idea.
Explanation:
It depends on what type of writing you're doing.
The answer is A, there is no clauses in A, making it a simple sentence.
Hope this helps!