The Shanghai Center, to be environmentally friendly, will be completed this year. A. desig

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(答案→)A. designed
B. designing
C. being designed
D. having designed
解析：考查非谓语动词。Shanghai Center与design是动宾关系，即design the Shanghai Center，应该使用过去分词，排除B、D；根据will be pleted this year可知，“设计”这个动作已经完成，而C项表示进行，排除C，故选A。