China has producedthis year as it did in 1996.A. as much steel twiceB. as twice much steel

问题补充：

China has producedthis year as it did in 1996.

A. as much steel twice

B. as twice much steel

C. twice steel as much

D. twice as much steel

答案：

A. as much steel twice

B. as twice much steel

C. twice steel as much

(答案→)D. twice as much steel

解析：本题考查倍数表达方法：倍数+as+形容词/副词+as+比较对象。