问题补充：
----- What’s the model plane look like?
----- Well, the wings of the plane are of its body.
A. more than the length twice
B. twice more than the length
C. more than twice the length
D. more twice than the length
答案：
A. more than the length twice
B. twice more than the length
(答案→)C. more than twice the length
D. more twice than the length
解析：more than 修饰twice
