The final message of the text (lines 55-66) is that: A) to change company behavior you must proceed step by step. B) it is only during the design...

The final message of the text (lines 55-66) is that:


A) to change company behavior you must proceed step by step.
B) it is only during the design phase that power costs have to be considered.
C) it is important to discriminate power consumption by IT equipment in companies.
D) energy efficiency will ensure close collaboration between teams of IT experts.
E) energy experts ought to invest more time in planning IT solutions.