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Large quantities of oil      in a place near my hometown recently.
A.has discoveredB.have discovered
C.has been discoveredD.have been discovered
D
本题考查时态和语态。discover为及物动词,oil与discover之间呈被动关系,因此用被动语态,而quantities of后无论跟可数名词还是不可数名词,谓语动词一律用复数形式。故选D。
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