The First Phase of the Hundred Years' War Was Marked

The first phase of the Hundred Years' War was marked by:

A) successive French victories over the English.
B) inconclusive battles, which were the reason for the long length of the war.
C) successive English victories over the French.
D) a few victories by the English over the Prussian allies of France.
E) an indecisive siege of Paris by the English.