The city of Nanchang has grown so fast that it’s at least what it used to be.
A. five times the size of
B. the size as five times large as
C. five times larger
D. as five times size of
网友回答
(答案→)A. five times the size of
B. the size as five times large as
C. five times larger
D. as five times size of
解析：考查倍数的表达：用的是：倍数+the+名词+of…的结构,句意是：南充市发展迅速以至于现在是过去的5倍大。倍数在最前面，排除BD，C项是比较级，但是没有than，所以选A。