A.<0.7,>0.7 B.>0.7,<0.7 C.<0.6,>0.6 D.>0.6,<0.6
(A)5~30 (B)10~40 (C)25~60 (D)40~80
A.0.02,0.05~0.07 B.0.03,0.O5~0.07 C.0.05,0.O5~0.07 D.0.03,0.05~0.09