It’s politely requested by the hotel management that radios _____after 10 o’clock at night.

A.were not played        B.not to play                 C.not be played      D.did not play

It’s politely requested by the hotel management that radios ________ after 10 o’clock at night．

1. A.
   were not played
2. B.
   not to play
3. C.
   not be played
4. D.
   did not play