Where should all master copies of controlled software and documentation be stored?

A.
In the definitive capacity library

B.
In the definitive media library

C.
In the definitive security library

D.
In the definitive production library

Explanation:
https://www.ucisa.ac.uk/-/media/files/members/activities/itil/servicetransition/service_asset/itil_guide
%20to%20sa%20and%20cm%20management%20pdf.ashx?la=en (page 3)