Which of the Following Statements Is Correct

Multiple Choice

Which of the following statements is correct?

A) An exception that has been declared must be referred to in the RAISE statement, or a PL/SQL error will occur.
B) An exception that has not been declared must be referred to in the RAISE statement, or a PL/SQL error will occur.
C) An exception that has been declared must not be referred to in the RAISE statement, or a PL/SQL error will occur.
D) An exception that has been declared must be referred to in the SELECT statement, or a PL/SQL error will occur.