“Most cities aren't safe places to live, are they?" – "____”

A. No, I'm afraid. There are always what they call ‘no-go areas'.

B. Yes, they are. There are always what they call ‘no-go areas’.

C. Well, the opposite is true. There are always what they call ‘no-go areas’.

D. On the contrary. There are always what they call ‘no-go areas'.