. . . . . . . . refers to the process of locating and correcting errors.

Testing
Debugging
Retransforming
Correcting

The correct answer is B. Debugging.

Debugging is the process of locating and correcting errors (also called bugs) in computer software.

Testing is the process of verifying that a program or system does what it is supposed to do.

Retransforming is the process of converting a program from one form to another, such as from source code to machine code.

Correcting is the process of making something right or correct.