单句改错

In some parts of London, missing a bus means to wait for another hour. ________________

In some parts of London, missing a bus means _________ for another hour．

1. A.
   waiting
2. B.
   to wait
3. C.
   to be waiting
4. D.
   wait

In some parts of London, missing a bus means _______ for another hour.

A. waiting                  B. to wait                          C. wait               D. to be waiting

In some parts of London, missing a bus means ________ for another hour.

A. waiting B. to wait

C. wait D. to be waiting

In some parts of London, missing a bus means ____ for another hour.

       A. waiting             B. to wait                     C. wait                  D. to be waiting