Which One of the Following Is True as It Relates

Multiple Choice

Which one of the following is true as it relates to the management function of control?

A) It is achieved by evaluating the performance of managers.
B) It is achieved by evaluating the operations for which a manager is responsible.
C) It is necessary only when performance is less than expected.
D) It is achieved by evaluating the performance of managers and the operations for which they are responsible.