The Line Approach to Organizational Structure Is Not Appropriate for Medium-Sized

The line approach to organizational structure is not appropriate for medium-sized and large organizations because:

A) too much flexibility can hamper the strict work ethics required in a large organization.
B) there is a lack of specialists to provide inputs on key decisions.
C) it involves red tape that results in a delay in decision making.
D) there is a lack of clear management hierarchy.