At the Battle of Gaugamela

At the Battle of Gaugamela,

A) Alexander was able to win a close victory by bringing up cavalry at the last minute.
B) the Greeks under Alexander were able to break the center of the Persian line and with boldness turn the battle into a rout.
C) Alexander determined that the battle should be fought on a narrow plain, negating the numbers of the Persians and the importance of the war chariots.
D) Alexander struck the Persians at their weakest point.
E) Alexander was forced to retreat back to Susa.