A criminal tried to attack Jane on her way home. A helpful passer-by stopped him in the act.

A. A passer-by intervened just when a criminal was trying to attack Jane in the act of going home.

B. Had it not been for the intervention of a helpful passer-by, Jane would have been attacked on her way home.

C. If Jane hadn't got in the criminal's way home, a helpful passer-by would have been attacked.

C. If Jane hadn't got in the criminal's way home, a helpful passer-by would have been attacked.