Critical Reasoning (CR) | Appendicitis (inflammation of the appendix) is potentially

Hi,
I know this CR question from prep has been discussed.

"Which of the following most logically completes the passage?

Appendicitis (inflammation of the appendix) is potentially fatal; consequently, patients with symptoms strongly suggesting appendicitis almost always have their appendix removed. The appropriate surgery is low-risk but performed unnecessarily in about 20 percent of all cases. A newly developed internal scan for appendicitis is