[单选题]It seems that oil()from the tank for some time. We’ll have to take the oil tank apart to see what's wrong. 

A

had leaked 

B

​is leaking

C

leaked 

D

has been leaking

正确答案:D
题目解析

由题干中的for some time可知,从句中应当用现在完成进行时态,以此来描述事情持续的状态,选D。句意:石油似乎已经从油箱里漏了一段时间了。我们得把油箱拆开看看有什么问题。

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