以下不能替换“辨专车之骨，必俟鲁儒”中“俟”的是（）
A.见
B.待
C.须
D.候
E.胥
参考答案：A
More than half of the workers in this factory _____ from the south. [ ]
A. are coming
B. is coming
C. have come
D. has come
转达限速调度命令的车站应在列车进入限速地点前的第几个车站以前传达、复诵完毕？
