(A) Germany and Italy
(B) the United States and France
(C) Britain and France
(D) ** Germany and Austria-Hungary
EXPLANATIONS BELOW
Concept note-1: -Russia. Hint The First World War was fought between the Allied Powers and the Central Powers from 1914 to 1918.
Concept note-2: -The Allies, or the Entente powers, were an international military coalition of countries led by the United Kingdom, France, Russia, Italy, Japan, and the United States against the Central Powers of Germany, Austria-Hungary, the Ottoman Empire, Bulgaria during the First World War (1914–1918).
Concept note-3: -The major Allied powers in World War I were Great Britain (and the British Empire), France, and the Russian Empire, formally linked by the Treaty of London of September 5, 1914.
Concept note-4: -During the conflict, Germany, Austria-Hungary, Bulgaria and the Ottoman Empire (the Central Powers) fought against Great Britain, France, Russia, Italy, Romania, Canada, Japan and the United States (the Allied Powers).