You have a continuous integration build definition. You need to ensure that you maintain only the drop files and test results from each build that uses this build definition.
What should you do in the Retention Policy node of the build definition?

A.
Modify the What to Delete value in the Private build retention policies.

B.
Modify the What to Delete value in the Triggered and Manual build retention policies.

C.
Modify the Retention Policy list value in the Private build retention policies.

D.
Modify the Retention Policy list value in the Triggered and Manual build retention policies.