Based on the article, which statement most strongly supports the FAA's position on the UFO sighting?!
A A preliminary radar check found nothing out of the ordinary at the
time of the alleged UFO appearance.
B Although at least twelve airline employees saw the object, no air
traffic controllers did.
C Many people saw an elliptical-shaped craft hover over Concourse
Cand leave a hole in the clouds.
D When lights shine up into the clouds during certain weather
conditions, optical illusions can occur.