PMP,Tell me the answer and why

PMP,Tell me the answer and why
You just learned that the US Environmental protection Agency has issue a new regulation for handling toxic waste.It can no longer be put on a cargo ship and dumped offshore,even if the boat is in international waters.You recommend to management that your company,a transportation firm that is hired by industries to dispose of such waste,undertake a project to develop guidelines in response to this regulation.For project management professionals,this recommendation demonstrates the importance of
A.Adhering to legal requirements and ethical standards
B.Continually searching for new and more effective methods of doing your work
C.Using legal requirements as the basis for all project selection decisions
D.The limited time frame in which projects must be completed