(A) ** Germany & Allied Powers
(B) President Woodrow Wilson
(C) France
(D) China
EXPLANATIONS BELOW
Concept note-1: -The four representatives of the principle allied powers were at the table: Clémenceau for France, Wilson for the USA, Lloyd George for Great Britain, and Orlando for Italy. The German delegation was composed of Müller, the Minister of Foreign Affairs, and a jurist, one Doctor Bell.
Concept note-2: -The Treaty of Versailles, signed in 1919 at the Palace of Versailles in Paris at the end of World War I, codified peace terms between Germany and the victorious Allies.
Concept note-3: -The treaty was signed by the Allied Powers and Germany. The delegation comprised of Georges Clémenceau for France, Woodrow Wilson for the USA, David Lloyd George for Great Britain, Vittorio Orlando for Italy, and Hermann Müller the Minister of Foreign Affairs – as well as the jurist Doctor Bell – from Germany.