Well,      ,  he is just my colleague．But I think we can become best friends one day．

A．time and again                                          B．now and then

C．in the mean time                                      D．for the moment

Well,　　 , he is just my colleague．But I think we can become best friends one day．

A．time and again　 B．now and then　　 C．in the mean time　　　 D．for the moment