—The light on for long.
—Oh, I am sorry , I will go and turn it off.
A. has been left
B. has left
C. had been left
D. had left
网友回答
(答案→)A. has been left
B. has left
C. had been left
D. had left
解析：考查时态，句意：--等开着很长时间了。--抱歉，我马上去，把它关了。说明等从过去到现在一直开着，和一段时间连用，用现在完成时，因为the light和leave是被动关系，用现在完成时的被动。选A。