“低碳生活”是指生活作息时所耗用的能量要尽量少，减低二氧化碳排放量，保护环境。下列做法符合“低碳生活”理念的是
____
A. Open the door.
B. Turn on the light.
C. Clean the blackboard.
D. Clean the window.
E. Put up the picture.
— Yes. __________.
