问题补充：
Smith’s jacket looked just the same as Jack’s, but it cost his.
A. as much twice as
B. much as twice as
C. as twice much as
D. twice as much as
答案：
A. as much twice as
B. much as twice as
C. as twice much as
(答案→)D. twice as much as
解析：考查倍数的表达：倍数+as +adj+as，句意是：斯密斯的夹克和杰克的一样，但价格是他的两倍。选D。
