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.