Many things such as going abroad and owning a car, impossible in the past, are now very c

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A. being considered
B. to be considered
C. considering
(答案→)D. considered
解析：考察非谓语动词用法。Many things与consider构成被动关系，所以使用过去分词表示，排除C项，A表示正在被考虑；B表示将要被考虑，结合句意可知D正确。句意：在过去被认为不可能的很多事情，如出国，拥有汽车等在现在已经很普遍了。