What Was Gorbachev's General Goal Upon Taking Office

What was Gorbachev's general goal upon taking office?

A) making the Soviet Union competitive with the West
B) creating a true democracy out of a one-party system
C) aligning the Soviet Union with human rights promises made in the Helsinki Accords
D) establishing a "third way" between Communism and socialism
E) decreasing the size of the Soviet Union by encouraging independence movements