Great Britain Fought Against the Ottoman Empire in the Middle

Great Britain fought against the Ottoman Empire in the Middle East where the most crucial advantage in its victory over the Turks was:

A) that the Turks were forced to rely on mercenaries to fight since they had no standing army.
B) the British superiority in arms: a new repeating rifle that the Turks did not possess.
C) the ability to read coded Turkish messages after the British cracked the Turkish military code in 1915.
D) the Turkish inability to fight on Saturdays,their holy day when no violent acts could be committed.
E) the support of various Arab peoples seeking independence from the Turks.