Which conditions will normally cause a SART to operate in the active mode?

A
It will respond only to interrogation by 9-Ghz radar signals.
B
A SART will normally respond to interrogation from a searching vessel's radar if the radar antenna is at least 15 meters high.
C
A SART will normally respond to interrogation from a searching aircraft's radar if the radar's output power is at least 10,000 watts and the aircraft is at a height of 3000 feet and within 30 nautical miles.
D
All of the above
E