单选题The construction of an extension of the world's highest railway from Tibet's captial LhasaThe construction of an extension of the world's highest railway from Tibet's captial Lhasa to its second largest city,Xigaze,began in September 2010,an
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单选题The construction of an extension of the world's highest railway from Tibet's captial LhasaThe construction of an extension of the world's highest railway from Tibet's captial Lhasa to its second largest city,Xigaze,began in September 2010,an
单选题The construction of an extension of the world's highest railway from Tibet's captial Lhasa
The construction of an extension of the world's highest railway from Tibet's captial Lhasa to its second largest city,Xigaze,began in September 2010,and it（ ）in 2015.
A.will complete
B.will be completed
C.will have completed
D.has been completed
请问该选哪个?并且把选择的理由与其他项不选的理由告诉我,以及帮我翻译一下这句话.
单选题The construction of an extension of the world's highest railway from Tibet's captial LhasaThe construction of an extension of the world's highest railway from Tibet's captial Lhasa to its second largest city,Xigaze,began in September 2010,an
B 这里竣工应用被动语态,工程自己不能完成,排除了AC,明显2015年没有到应该是将来时,
从西藏拉萨到它第二大城市日喀则的世界最高铁路建设,始于2010年,于2015年竣工