"Due Diligence" in the Environmental Law Context

"Due diligence" in the environmental law context

A) is one of the defences that a party charged with an environmental offence may use.
B) would be satisfactorily proven where company officials have issued directives to management to establish careful storage procedures for potential contaminants.
C) requires ongoing monitoring by the company's directors to ensure that management is complying with the directives set out.
D) is part of the environmental assessment process to determine whether a certain activity has the potential for causing environmental damage.
E) a and c.