高等继续教育 / 电子商务英语
正确率：100%
题型描述: 单选题
In the nineteenth century ＿＿＿＿＿＿＿of communication had developed the railway.
A.many new means
B.a new means
C.some new means
D.a new mean
In the nineteenth century ＿＿＿＿＿＿＿of communication had developed the railway.
A.many new means
B.a new means
C.some new means
D.a new mean
参考答案：