Answer:
d. cross-functional strategies
Step-by-step explanation:
In an organisation, for the proper running of all the departments or functions, proper communications and coordination is required. So implementing the cross-functional strategies can succeed when all the functional areas of the organisation are properly coordinated with each other. And by implementing these strategies we can trace out the business strategy with supporting of all functional areas. These are useful to place all functional strategies properly.
Thus the answer is d. cross-functional strategies.