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 had asked her son if it was 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 her in her old age .

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