单项选择题
A.姓名 B.电话 C.地址 D.保密资料
A.1 B.2 C.3 D.4
A.99.999%、99.989%、99.965%、99.897%、99.828% B.99.989%、99.965%、99.999%、99.897%、99.828% C.99.989%、99.989%、99.965%、99.897%、99.828% D.99.999%、99.998%、99.965%、99.897%、99.828%