Which is a software configuration management concept that helps us to control change without seriously impeding justifiable change ?

Which is a software configuration management concept that helps us to control change without seriously impeding justifiable change ?

A. Baselines
B. Source code
C. Data model
D. None of the mentioned

Explanation: A baseline is analogous to the kitchen doors in the restaurant. Before a software configuration item becomes a baseline, change may be made quickly and informally.