My aunt isn’t here．She ________ Shanghai on business．She will be back in three days．

1. A.
   went
2. B.
   has gone to
3. C.
   has been to
4. D.
   will go to

My aunt isn’t here．She _______ Shanghai on business．She will be back in three days．

A．went    B．has gone to     C．has been to       D．will go to