What occurred during neoclassical synthesis?

A. Keynesians agreed with Arthur Laffer that tax cuts sometimes increase government revenues

B. The Keynesians agreed with irving Fisher that government causes the business cycle in the long run

C. The Keynesians agreed with Robert Lucas that rational expectations exist in the short run.

D. The Keynesians agreed with Milton Fredmen that increased aggregate demand policies influence the nominal GNP economy in a short run recession but not long run after full employment is reached.

E. None of the above occurred.