Dentist: You don't seem to brush your teeth regularly. Patient: ________ Dentist: You know how bad they are for general health, don't you? Patient: Of course, I do. But I can't stop myself.
A.I don't but I promise that I will from now on.
B.I'm warning you. You can't insult me like this.
C.I've brushed my teeth regularly since I was a child