单项选择题
A.0.36 B.0.87 C.1.23 D.0.29 E.1.30
A.22.6/10万 B.48.0 C.0.0048 D.1.89 E.无法计算
A.43.04% B.88.98% C.47.08% D.52.92% E.无法计算