题目内容：
It can be inferred from the passage that
A．The newly-discovered belt is in fact the outmost layer of Satur B．We can't see the newly-discovered belt without the help of imaging magnetomete
C．There can hardly be any belts similar as the newly discovered one at any other planet in the solar syste
D．The main radiation belts aren't connected with Saturnian rings at al
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