【单选题】While having orbited the sun, the satellite has sent more than four billion bits of information back to earth.
A．orbiting
B．to orbit
C．being orbited
D．having been orbited
【单选题】While having orbited the sun, the satellite has sent more than four billion bits of information back to earth.
A．orbiting
B．to orbit
C．being orbited
D．having been orbited
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