Which of the following statements is NOT​ true? A. A​ closed-loop supply chain is a designed to optimize only reverse flows. B. ​"Closed-loop supply​ chain" is sometimes used as a synonym for​ "reverse logistics." C. A​ closed-loop supply chain prepares for returns prior to product introduction. D. Reverse logistics involves the processes of sending returned products back up the supply chain for​ resale, repair,​ reuse, remanufacture,​ recycling, or disposal.