Answer: C. . the efforts of a company's whole management team, not just a few senior managers
Explanation:
Planning, implementing and carrying out strategies requires a careful, collective and calculative decision to be made by all head of department and the board of an organization, because the decision taken will rub off through these departments for implementation. The decision or choice of decision should not be left to a few persons in the organization because when the ideas and plans are arranged the execution may fail as all the respective department were not involved by their heads.