$5)$ Choose from the list below the best control activity to prevent purchase requisitions split into more than one purchase order to circumvent authorized limits that may result in unauthorized or fraudulent purchases. A$)$ An authorized person from the department making the request must approve the requisition. B$)$ Separate the duties of ordering goods from receiving, payment, and accounting responsibilities. C$)$ Match purchase requisitions with purchase orders and generate an exception report investigation. D$)$ Each blanket purchase order must specify monetary limits and have a specified duration.