The Optim Directory is built in an Oracle Database. If the project Database is Unicode enabled, which of the following is true?

A.
The Optim Directory can be enabled as either Unicode or Non-Unicode.

B.
The Optim Directory and the DB Alias must both be initialized the same, either both as Unicode or both as Non-Unicode.

C.
The Optim Directory and the DB Alias both must be Unicode enabled.

D.
The DB Alias must be enabled as Non-Unicode.