While _______ the sun, the satellite has sent more than four billion bits of information back to earth. A、having orbited B、 being orbited C、 having been orbited D、 orbiting

While _______ the sun, the satellite has sent more than four billion bits of information back to earth.
A、having orbited
B、 being orbited
C、 having been orbited
D、 orbiting

出自：安徽大学-会计学

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