问题补充：
The new road is of the old one.
A. more than three times the length
B. three times more than the length
C. more than the length
D. more three times than the length
答案：
(答案→)A. more than three times the length
B. three times more than the length
C. more than the length
D. more three times than the length
解析：考查倍数：倍数+the+名词+of…，more than是副词短语修饰three times，句意：新公路的长度是旧公路的三倍多长。选A。
