The road to the mountains _____ by the snow for almost a month.

A. has been cut off 　 　B. have been cut off

C. has been cut down 　 D. have been cut down

The road to the mountains _____ by the snow for almost a month.

1. A.
   has been cut off
2. B.
   have been cut off
3. C.
   has been cut down
4. D.
   have been cut down

The road to the mountains _____ by the snow for almost a month.

　 A. has been cut off 　 B. have been cut off

　 C. has been cut down 　 D. have been cut down

The road to the mountains _____ by the snow for almost a month.

　 A. has been cut off 　 B. have been cut off

　 C. has been cut down 　 D. have been cut down