Answer:
I think the best bet here is option C.
Explanation:
Option A is straighforward, but it is very vauge in explination as to why they didn't accept the person for the job. The question asked to be clear. Option B does give clear explination, but isn't very kind toward the job applicant. The same occurs in Option D, it's remotley vauge and a bit rude.
The correct answer is a subject and a verb~
Gravity, but if you think about it, air resistance can slow the object down, thus meaning that there are 2 forces acting on the object, but just go with gravity
