单项选择题
A.80.7%、75.3%B.80.7%、75.9%C.40.4%、75.9%D.78.9%、75.3%
A.52.7%、81.3%B.64.2%、81.3%C.52.7%、52.2%D.52.7%、64.2%
A.88.1%B.83.7%C.95%D.90%