1, 3, 3, 5, 7, 9, 13, 15, (), ()。A.19,21B.19,23C.2l,23D.27,30 1, 3, 3, 5, 7, 9, 13, 15, (), ()。A.19,21B.19,23C.2l,23D.27,30 参考答案 查看答案