GMAT Sentence Correction (SC) | QOTD #11 Featured in circuses for more than a century, trapeze artists

Featured in circuses for more than a century, trapeze artists hang from swings by the ankles and perform acrobatic maneuvers, rebalancing frequently enough that spectators see only his continuous, fluid movement.

(A) trapezeartists hang from swings by the ankles and perform acrobatic maneuvers, rebalancing frequently enough
(B) trapezeartists hang from swings by the ankles, they perform acrobatic maneuvers, and with such frequent rebalancing
(C) trapezeartists use their ankles to hang from
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