【单选题】
The Panama Canal was constructed in 1915 ______ three hundred fifty million dollars.
A.at half cost to
B.at a cost of
C.at any cost
D.at all costs
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根据网考网移动考试中心的统计,该试题:
10%的考友选择了A选项
53%的考友选择了B选项
35%的考友选择了C选项
2%的考友选择了D选项