Change the narration: The old lady said to her son “Is it not your duty to help me in my old age?”

A) The old lady asked her son if it was not his duty to help her in her old age 

B) The old lady asked her son that was it not his duty to help her in her old age

C) The old lady asked her son if it were not his duty to have helped our in old age

D) The old lady Had asked her son if it was not his duty to help her in her old age