When / room / light / enough, / do / not / turn /...

Câu hỏi: When / room / light / enough, / do / not / turn / lights.

A. When the room is light enough, turn on the lights.

B. When the room is light enough, do not turn the lights.

C. When the room is light enough, do not turn on the lights.

D. When the room is light enough, do not turn on lights.