单项选择题

A.0.1,0.5,1.0,1.5,2.0,3.0,4.0
B.0.1,0.2,0.5,1.0,1.5,2.5,5.0
C.0.1,0.2,0.5,1.0,1.5,2.5,3.0
D.0.1,0.2,0.5,1.0,1.2,1.5,2.0