单项选择题
A.0.98315B.0.97555C.0.97315D.0.98555E.0.97355
A.2/7,35B.3/7,50C.1/7,35D.2/7,50E.3/7,35
A.1.0965B.2.0965C.3.0966D.12.142E.14.142