-I'm afraid these flowers won't be able to live through the winter．-But I think otherwise．You see, measures ________ to take good care of them．A.have takenB.had been takenC.will takeD.are being taken
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D解析考查时态和语态。句中考查词组 “take measures to do sth．”, measures为主语，所以应用被动语态，首先排除A、C两项；由You see可知，“采取措施”应是现在所为的动作，由此可以得出