问题

Tell John not to leave the house unless he ________ that the lights ________.[ ]
A: will make sure;will be turned off
B: will make sure;will turned off
C: makes sure;are turned off
D: makes sure;will be turned off
B: will make sure;will turned off
C: makes sure;are turned off
D: makes sure;will be turned off
正确答案是: