Miss Gao         a reporter．But she        her job last month．

A．used to be, change                              B．used to be, changed

C．has been, has changed                           D．is, has changed

Miss Gao ________ a reporter．But she ________ her job last month．

1. A.
   used to be, change
2. B.
   used to be, changed
3. C.
   has been, has changed
4. D.
   is, has changed