PETER MANAGED TO GET PROMOTED TO THE JOB OF OFFICE MANAGER BECAUSE...

26. Peter managed to get promoted to the job of Office Manager because he worked extremely hard.

A. By working extremely hard Peter manages to get promote to the job of Office Manager.

B. By working extremely hard Peter managed to get promoted to the job of Office Manager.

C. By working extremely hard Peter had managed to get promoted to the job of Office Manager.

D. By working extremely hard Peter has been managed to get promoted to the job of Office Manager.