Which of the following best explains why the witnesses are upset? A The UFO left “an eerie hole in the overcast skies” after flying through the clouds over O’Hare. B No air traffic controllers saw the UFO and there is no record of anything out of the ordinary on radar. C The airline denied having knowledge of the UFO and the FAA will not investigate the incident further. D The FAA admits that its air traffic control tower received a call about “a mysterious elliptical-shaped craft.”