The element necessary to complete the sentence above is D) independent clause.
You already have a subject (I) and a predicate (save), so these two are not needed, nor is a prepositional phrase. But you need an independent clause, because this is a dependent clause which cannot stand on its own. For example:
If I save enough money, <em>I will buy a car. </em>
False. Epiphany is when you come to a sudden realization.
Answer: prepare to listen and speak.
B, Davion because he went back an edited his paper