what is the correct answer ?

A project to install a new air conditioning system in an office building has started. The design drawings were previously finalized However, due to some changes in design, the layout of the building is modified. As the work progresses, the HVAC contractor brings up a technical issue that occurred due to the modified bending of a couple of vent pipes. Due to this issue, one part of the building does not receive proper ventilation.What should the construction professional have done to prevent this from happening? ) A) Checked in with the HVAC contractor to ensure they completed the correct quality inspection of the supplied material ) B) Conducted a design review to make sure the changes were reflected in the design drawings ) Evaluated the design changes with supporting documents to verify that these were in line with the HVAC requirements ) D) Provided additional technical components to fix the issue so the building would be properly ventilated