A.50% B.80% C.90% D.70% E.60%
A.80×109/L B.20×109/L C.90×109/L D.60×109/L E.40×109/L
A.<1.0×109/L B.<0.7×109/L C.<0.9×109/L D.<0.6×109/L E.<0.5×109/L