问题补充：
Peter’s jacket looked just the same as Jack’s, but it cost his.
A. as much twice as
B. as twice much as
C. much as twice as
D. twice as much as
答案：
A. as much twice as
B. as twice much as
C. much as twice as
(答案→)D. twice as much as
解析： 倍数表达结构为：倍数+as+原级+as
