Which of the Following Is a Drawback of Centralization

Which of the following is a drawback of centralization?

A) It fails to delegate responsibility for carrying out daily and routine procedure to lower level employees.
B) It is ineffective when the decisions to be made are risky.
C) It results in a flat organizational structure.
D) It requires lower-level managers to have strong decision-making skills.
E) It may take long for an organization as a whole to implement decisions and respond to changes on a regional scale.