Which of the Following Statements Regarding Benedict Arnold Is FALSE

Which of the following statements regarding Benedict Arnold is FALSE?

A) Arnold had previously foiled the advance of Barry St. Leger into the Mohawk Valley.
B) Arnold conspired with the British to betray a Patriot stronghold at West Point, New York.
C) Arnold spent the last years of the Revolution as a prisoner of war.
D) Arnold was an American military hero early in the war.
E) During the war, Arnold grew convinced the American cause was hopeless.