The Introduction of the Euro as a Hard Currency

Multiple Choice

The introduction of the euro as a hard currency:

A) is sufficient to create a single market for European business
B) is a necessary, but not a sufficient, step towards the creation of a single market for European business
C) is neither a necessary, nor a sufficient, step towards the creation of a single market for European business
D) is both a necessary and a sufficient step towards the creation of a single market for European business