Which of the Following Correctly Sets the Default Purity Level

Multiple Choice

Which of the following correctly sets the default purity level for a packaged function?

A) RESTRICT_REFERENCES(DEFAULT, WNDS, WNPS) ;
B) PRAGMA RESTRICT_REFERENCES(DEFAULT, WNDS, WNPS) ;
C) PRAGMA RESTRICT_REFERENCES(function_name, WNDS, WNPS) ;
D) RESTRICT_REFERENCES(function_name, WNDS, WNPS) ;