【单选题】
The original building was erected in 1710, but this structure has been largely transformed and extended, the present hotel ______ in 1910.
A、was completed
B、to have been completed
C、having been completed
D、completed
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根据网考网移动考试中心的统计，该试题：
14%的考友选择了A选项
14%的考友选择了B选项
61%的考友选择了C选项
11%的考友选择了D选项
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