Satellite communications are easily intercepted because__

A.
transmissions are continuous 24 hours per day.

B.
a satellite footprint is narrowly focused.

C.
a satellite footprint is very large.

D.
a satellite footprint does not change.

Explanation:
I think it may have to do with the footprint of the satellite.
Footprint – The area of Earth with sufficient antenna gain to receive a signal from a satellite. -http://www.aero.org/publications/crosslink/winter2002/backpage.html
Not A: Granted Satellites transmit but they may not do it 24×7 as it could be only when traffic is
sent.