Answer:
A completely new technology will be installed and used ( A )
Workers in an office must change desks ( B )
existing equipment and software will be upgraded ( C )
Step-by-step explanation:
Changeover means a complete change or conversion of something from one thing to another, it can occur in personnel, equipment, technology, methods of production and manufacturing.
In a nutshell Changeover simply means moving unto something newer than was been used before.
prohibiting all new technology as mentioned in option D is an anti-changeover policy because it contradicts the definition of changeover.
A completely new technology been installed is a part of the changeover activity likewise changing of desks in the office by workers while upgrading equipment or software is an example of a changeover as well.