13, 9, 11, 6, 9, 3, (), () A.6, 0 B.-1, 1 C.7, 0 D.7, 6 13, 9, 11, 6, 9, 3, (), ()A.6, 0 B.-1, 1 C.7, 0 D.7, 6 参考答案 查看答案