China’s Beidou global satellite navigation system will have been pleted by 2020, of more than 30 satellites.
A. consisting
B. consisted
C. to consist
D. consists
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(答案→)A. consisting
B. consisted
C. to consist
D. consists
解析:考查现在分词做状语,句意:中国的北斗全球卫星导航系统将在2020年完成,由30个卫星组成。Consist of是不及物的短语,用现在分词做伴随状语。选A。