His angry mother jeered, “Do you suppose you know better than your father?”
A. His angry mother jeered and asked if he was supposed to know better than his father.
B. His angry mother jeered and asked whether he knew better than his father.
C. His angry mother jeered and asked whether he supposed that he would know better than his father.
D. His angry mother jeered and asked whether he supposed that he knew better than his father.