The Battle of the bulge was also referred to as the German winter counteroffensive on the western front (December 1944- January 16, 1945). It was an unsuccessful attempt to push the Allies back from German Home territory. The bulge is the wedge driven by the German into the allied lines.
Option (A) is incorrect. The American breakout through the hedgerow country was called the Rhino tank, it happened during the battle of the Normandy in summer 1944 when the American tank had a break out because of the thick banked hedge was too difficult for the tank to breach.
Option (B) is incorrect. The Cherkassy bulge is the battle between the Korsun Cherkassy and Soviet Korsun Shevchenkovskiy. Which was launched by the soviet.
Option (C) is incorrect. The German summer counteroffensive at Kursk is the battle between the German and soviet force.