In Haydon V

In Haydon v. Canada (Treasury Board) , how could the claimant have been engaged in "whistleblowing"?

A) By bringing public attention to government actions or policies she believed endangered national security, based on her careful examination of the facts
B) By bringing public attention to government actions or policies she believed endangered the environment, based on her careful examination of the facts
C) By bringing public attention to government actions or policies she believed endangered societal law and order, based on her careful examination of the facts
D) By bringing public attention to government actions or policies she believed endangered public health or safety, based on her careful examination of the facts
E) By bringing public attention to government actions or policies she believed endangered international relations, based on her careful examination of the facts