A.0.2、0.6、0.8 B.0.2、0.4、0.6 C.0.4、0.5、0.6 D.0.4、0.6、0.8
A.0.2和0.6 B.0.2和0.8 C.0.4和0.6 D.0.3和0.7
A.0.6 B.0.8 C.0.2 D.0.5