Their only child________home because of his poor marks in the examinations．He ________home for nearly ten days．but no one knows where he is now．A.has left．has leftB.has left，has been awayC.has been away．has been away toD.left，has been away from
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D解析分析：leave(离开)是短暂性动词，相对应的表示状态的形式是be away．第一个空格用left，has left都是对的，has been away要加上from才对；第二个空格应该用has been away from(因为后面有for nearly ten days)．