it is time ( ) A .play football .B.to go to bed C .playing g

B
是该上床睡觉的时间了!
⑴ It's time for + n.“该是（干）……的时候了.”
⑵ It's time + (for sb.) to do sth.表示“该是（某人）干……的时候了.
⑷ It's + the/序数词+ time +to do sth.表示某人第几次做某事.