Which of the following is correct?

Which of the following is correct?

Debugging is:
A . Testing/checking whether the software performs correctly.
B . Checking that a previously reported defect has been corrected.
C . Identifying the cause of a defect, repairing the code and checking the fix is correct.
D . Checking that no unintended consequences have occurred as a result of a fix.

Answer: C

Explanation:

A Is a brief definition of testing.

B Is retesting.

D Is regression testing.