Question: How can you modify your code to avoid an accidental descent to an undefined state? A . By using the WHEN OTHERS = >

How can you modify your code to avoid an accidental descent to an undefined state?
A. By using the "WHEN OTHERS =>" clause.
B. By explicit mentioning of every single undefined state.
C. It is not necessary to modify the code as it is impossible to enter an undefined state.
D. Both A and B are correct statements.
 How can you modify your code to avoid an accidental descent

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