(A) Austria-Hungary, Russia, Great Britain
(B) Austria-Hungary, Italy, France
(C) Great Britain, France, Russia
(D) ** Austria Hungary, Germany, Italy
EXPLANATIONS BELOW
Concept note-1: -Triple Alliance, secret agreement between Germany, Austria-Hungary, and Italy formed in May 1882 and renewed periodically until World War I. Germany and Austria-Hungary had been closely allied since 1879. Italy sought their support against France shortly after losing North African ambitions to the French.
Concept note-2: -One alliance included Germany, Austria-Hungary and Italy, called the Triple Alliance. Opposing them was the Triple Entente of France, Russia and England. These complex tensions finally exploded into war.
Concept note-3: -There the great powers had divided themselves into two large interlocking military alliances. Germany and Austria-Hungary formed the Triple Alliance, and Britain, France, and Russia formed the Triple Entente.
Concept note-4: -When World War I began in July 1914, Italy was a partner in the Triple Alliance with Germany and Austria-Hungary, but decided to remain neutral. However, a strong sentiment existed within the general population and political factions to go to war against Austria-Hungary, Italy’s historical enemy.