Master Fred chose a sunny sloping bank with a thick growth of bushes, and ________ there a nice little hen-houseA.covered, fixingB.covering, fixingC.being covered, fixedD.covered, fixed
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D解析第一空考查过去分词做定语，covered修饰a sunny sloping bank，因为a sunny sloping bank和cover是被动关系，第二空填fixed和chose是并列关系，句意是：弗莱德选择了一个阳光明媚的长满的密密的灌木丛的斜坡，并在那装了个漂亮的小鸡舍。选D。