Ted's Business,situated near the Missouri River,was Partially Destroyed When the River

Ted's business,situated near the Missouri River,was partially destroyed when the river overflowed after a deluge.Which of the following measures would've helped Ted minimize the effect of the flood from interrupting the operations of his business?

A) Creating provisions for subcontracting work
B) Developing an informal code of ethics for all employees to follow
C) Ensuring that all employees have easy access to all assets
D) Securing valuable assets from low-level employees