GRE Text Completion Question 406

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Source: XDF

Until recently many astronomers believed that asteroids travel about the solar system (i)_____satellites. These astronomers assumed this because they considered asteroid-satellite systems inherently (ii)_____. Theoreticians could have told them otherwise: even minuscule bodies in the solar system can theoretically have satellites, as long as everything is in proper scale. If a bowling ball were orbiting about the Sun in the asteroid belt, it could have a pebble orbiting it as far away as a few hundred radii (or about 50 meters) (iii)_____the pebble to the Sun's gravitational pull.

A unaccompanied by D scathing G without losing
B unprecedented by E unstable H before reaping
C unparalleled by F soporific I soporific

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