Which of the following statements is true regarding blood component preparation? A. In Leukocytes Reduced RBCs, the FDA requires that the residual number of leukocytes be less than 5.5x10¹⁰ per unit in 95% of PRBCs. B. RBC components must be cryopreserved within 6 days of collection with no exceptions. C. Certain RBC units can be cryopreserved without rejuvenation up to the date of expiration. D. In the US, the intended dose of irradiation shall be a maximum of 25 Gy (2500 cGY) delivered to the central portion of the container.