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.