Which of the Following Is True of Contingency Planning

Which of the following is true of contingency planning?

A) The senior manager spearheads this process but with input from the other levels of management.
B) This kind of planning is done only by the middle managers.
C) The middle management spearheads this process but with input from the first-line management.
D) This kind of planning is done only by the first-line managers.