How Did Woodrow Wilson Respond to British and French Pressure

How did Woodrow Wilson respond to British and French pressure to intervene in the revolutionary developments in Russia?

A) He initially resisted, but then agreed to send about 15,000 American troops into Siberia to control strategically important railway lines there.
B) He welcomed their proposal and volunteered two battalions to march through Poland into Russia.
C) He steadfastly refused, on the principle of all nations' right to self-determination, something the Allies never forgave him for.
D) He postponed a decision to intervene in Russia until the Bolshevik movement had triumphed there, a mistake Republicans exploited in the 1920 election.