What Is the Essential Difference Between Keynesian and Neoclassical Views

What is the essential difference between Keynesian and neoclassical views of macroeconomy?

A) The Keynesian view is that the economy is capable of automatically adjusting to economic changes because of the flexibility of wages,prices,and interest rates,while the neoclassical view is that the economy could get stuck in a recessionary gap because of their inflexibility.
B) The neoclassical view is that the economy can automatically adjust to economic changes because of the flexibility of wages,prices,and interest rates,while the Keynesian view is that the economy could get stuck in a recessionary gap because of their inflexibility.
C) While both views agree on the automatic adjustment ability of the economy,the Keynesian view sees wages as flexible,but the neoclassical view does not.
D) While both views agree on the automatic adjustment ability of the economy,the neoclassical view sees wages as flexible,but the Keynesians do not.