F: Our light is off. There must be a blackout in the neighborhood. ,M: But I can see our neighbors' light through the window, it must be our light bulb.
(A) F: Yeah. Maybe our neighbor broke their light bulb. (B) F: Yeah. There is something wrong with our light bulb. (C) F: I didn’t hear you. Please could you tell me again? (D) F: Yeah. Why is the outside black?
B