Inflation Can Occur Even Under Conditions of Full Employment

Inflation can occur even under conditions of full employment

A) only if the central bank continues to inject money into the economy and the agents' expectations of inflation are supported by the bank's activities.
B) only if the central bank continues to inject money into the economy.
C) only if the central bank continues to withdraw money from the economy.
D) only if the central bank continues to inject money into the economy and all agents expect that inflation will not occur.
E) only if the central bank fails to inject money into the economy.