问题

ps John’s notin. — _______. Look, the light is on.
A:Yes, he can be at home
B:No, he couldn’t go out
C:Yes, he must be at home
D:No, he needn’t go out
B:No, he couldn’t go out
C:Yes, he must be at home
D:No, he needn’t go out
正确答案是: