For an Organisation to Effectively Manage Potential Negative Publicity, Which

For an organisation to effectively manage potential negative publicity, which of the following could potentially be useful?

A) The organisation having potential contingency plans and materials in place for such situations.
B) The organisation ensuring managers and all who comment publicly provide a consistent response to stakeholders.
C) The organisation having policies and procedures to follow in such situations.
D) All of the options listed.
E) Both a and b.