Which Statement About the Twinkling of Stars and Planets Is

Multiple Choice

Which statement about the twinkling of stars and planets is NOT correct?

A) Stars twinkle less when they are farther from the horizon.
B) A photographic image of more than a few seconds exposure time will show a twinkling star as a disk.
C) Planets twinkle less than stars.
D) Twinkling of stars is an inherent phenomenon and cannot be reduced by any observing technique.