What Was the Main Purpose of the Marshall Plan

What was the main purpose of the Marshall Plan?

A) to protect Eastern Europe from undue influence of the Soviet Union in the wake of World War II
B) to help rebuild Europe after World War II so that it would be less vulnerable to communist influences
C) to prevent the spread of weapons of mass destruction to unstable governments
D) to repair relations between the United States and the Soviet Union near the end of the Cold War