Which of the following explains Joan of Arc's importance to France in the Hundred Years' War?

A.
The English believed her claims that she heard God's voice and refused to fight her.
B.
Her example caused more French women to emerge in the war as competent army leaders.
C.
She encouraged the use of cannons, which ultimately turned the tide of battle to the French forces.
D.
The French people unified behind her and King Charles VII, and France was able to defeat England.

D. The French people unified behind her and King Charles VII, and France was able to defeat England.