Only After Which of the Following Conditions Is (Are)met,should the Whistle-Blower

Multiple Choice

Only after which of the following conditions is (are) met,should the whistle-blower go public?

A) The unreported act would do serious and considerable harm to the public.
B) The employee has tried and failed to resolve the issue internally.
C) Reporting the problem publicly probably will not resolve the issue.
D) Both A and B, but not C.