The Democrats have accused the Republicans of resorting ... ...

   The Democrats have accused the Republicans of resorting to dirty tricks by planting a mole on the Democrat’s planning committee and then used the information obtained to sabotage the Democrat’s campaign.
(A)    used the information obtained to sabotage
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Nova Writing Drills: Warm-Up Drill V