The total cost of this project will be more than that of the one last century, which is expected to cost below US a score billion.
A. twice as many as
B. as much as twice
C. twice than
D. double
网友回答
A. twice as many as
B. as much as twice
C. twice than
(答案→)D. double
解析：表示“超过两倍”用more than double。表示倍数时，一倍用once，两倍用 double，三倍以上用“基数词 + times”表示。