Which of the following is true about management

(A). Vertical management, also known as top-down management, refers to the hierarchical structure of management within an organization. 

(B). Top-level managers, including CEOs, COOs, CMOs, CTOs, CFOs, and CCOs, are responsible for the long-term success of the organization.

(C). Middle managers, such as department heads and directors, act as links between top-level and Team Leaders

(D). Team leaders manage specific tasks or activities within the organization.