Have you been to Bristol before?" A. She asked if I have been to Bristol before B. She asked if I had been to Bristol before C. She asked if had I been to Bristol before D. She asked if I hav13/50Have you been to Bristol before?"She asked if I have been to Bristol beforeShe asked if I had been to Bristol beforeShe asked if had I been to Bristol beforeShe asked if I have been to Bristol beforeGiải thíchChọn B