Toni Morrison, Nobel Prize-winning American writer, says if there’s a book you really want to read, but it ______ yet, then you must write it.A.hasn’t been writtenB.hasn’t writtenC.doesn’t writeD.isn’t written
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A解析考查时态与语态。Yet常与现在完成时连用。句意：如果这本书到现在为止还没有被写出来，你必须去写。