D) Subject is the element necessary to complete the sentence above.
You already have a predicate (drives), so you don't need that, or a subordinate/independent clause. What you do need is a subject. For example:
<em>Mercedes </em>drives like no other car.
Answer:
I believe your answer is "reflect on the problems and challenges in the world"
Explanation:
C. The west wind. [I believe, tell me if i was incorrect.]
c hope you have a great day