In 1994,the Lunar-Orbiting Clementine Sent Radio Waves to Reflect from the Moon's

In 1994,the lunar-orbiting Clementine sent radio waves to reflect from the Moon's surface,and it analyzed the reflections for evidence of water ice.A few years later,the Lunar Prospector also sought evidence of water on the Moon.In 2003,signals were sent from Earth-based radio transmitters to reflect from the Moon.What is the conclusion from all these experiments?

A) There is no water on the Moon, in ice or liquid form.
B) There is water ice near the Moon's north pole, but not near its south pole.
C) There is water ice near the Moon's south pole, but not near its north pole.
D) The question of whether water ice exists on the Moon remains unanswered.