What should regression testing use to obtain accurate conclusions regarding the effects of
changes or corrections to a program, and ensuring that those changes and corrections have not
introduced new errors?

A.
Contrived data
B.
Independently created data
C.
Live data
D.
Data from previous tests
Explanation:
Regression testing should use data from previous tests to obtain accurate
conclusions regarding the effects of changes or corrections to a program, and ensuring that those
changes and corrections have not introduced new errors.