问题补充：
Peter’s jacket looked just the same as Jack’s，but it costhis.
A. as much twice as
B. twice as much as
C. much as twice as
D. as twice much as
答案：
A. as much twice as
(答案→)B. twice as much as
C. much as twice as
D. as twice much as
解析：考察倍数表达方式。倍数的表达方式为
“A+倍数+形容词或副词的比较级+than+B”，表示“A比B大（长、高、宽等）多少倍”。
“A+倍数+as+形容词或副词的原级+as+B”，表示“A正好是B的多少倍”。
“A+倍数+the size/height/length/width， etc+of+B”，表示“A正好是B的多少倍”。
“ …… times as many/much+名词+as+被比对象”。
根据句型结构可知，选择B
