Which of the Following Is True with Regard to Establishment

Which of the following is true with regard to establishment of the euro?

A) It required participating national governments to have a sound fiscal situation.
B) It required participating national governments to have stable exchange rates.
C) It required participating national governments to be democratic in nature.
D) It required participating national governments to give up control over monetary policy.
E) It required participating national governments to have a high degree of price stability.