M: Lisa, why do you keep a night light on in your room? ,F: I thought you knew that I'm scared of the dark.
(A) M: If you're not afraid of the dark, why keep all the lights on at night? (B) M: I didn’t hear you. Please could you tell me again? (C) M: Why keep a night light in your room at night when you are not afraid of the dark? (D) M: Now I know why you turn on a night light in your room at night.
D