Which task is performed because the test-driven development approach is being used?

Which task is performed because the test-driven development approach is being used?
A . testing existing software before developing new code
B. refactoring code that is covered by existing tests
C. writing code without committing any coding violations
D. creating test scenarios based on continuous development

View Answer

Answer: B

Explanation:

"The idea is that you build a test case first, before any software has been created or modified"

but "testing existing software before developing new code" is the idea or goal, not the task five steps of TDD:

-Write a test

-Test fails

-Write some code

-Test passes

-Refactor