Which of the Following Is True of Contingency Planning

Which of the following is true of contingency planning?

A) It is a formal plan for how to achieve an objective.
B) The supervisor creates a contingency plan by answering the questions what, who, when, where, and how.
C) It is too time-consuming to create a written contingency plan for every detail of operations.
D) Contingency plans are the original plans developed by the top managers for the organization as a whole.