Which of the Following Statements About Germany's Participation in the European

Which of the following statements about Germany's participation in the European Union is NOT true?

A) It has forced the country to adopt an unfamiliar free-market economic model.
B) Membership in the European Union has permitted Germany to undertake tasks and to assume roles that it may not have done on its own.
C) Limits have been placed by the country's Constitutional Court on deeper German integration with the European Union.
D) Germany has benefitted economically from European integration.
E) Germany is a member of the European Union, but has not adopted the euro.