This kind of social phenomenon could exist only for a few months, but it will disappear ________.

1. A.
   in no time
2. B.
   on the time
3. C.
   at a time
4. D.
   at one time

This kind of social phenomenon could exist only for a few months, but it will disappear      .

A．in no time       B．on the time          C．a(chǎn)t a time            D．a(chǎn)t one time

This kind of social phenomenon could exist only for a few months，but it will disappear_____．

A．in no time               B．on the time              C．a(chǎn)t a time                 D．a(chǎn)t one time