--- Did he notice you enter the room? --- I don’t think so. He ______ to the radio with his eyes shutA.listenedB.was listeningC.has listenedD.had listened
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B解析He _____ to the radio with his eyes shut.后省略了when I entered the room。此处意为“（当我进入那个房间时，）他正闭着眼睛听收音机”。