After the introduction of the modern equipment the factory produced cars as the year bef

问题补充：

After the introduction of the modern equipment, the factory produced cars as the year before.

A. twice more

B. as twice as many

C. twice as many

D. twice the amount of

答案：

A. twice more

B. as twice as many

(答案→)C. twice as many

D. twice the amount of

解析：句意：引进新技术后，这家工厂2002年生产的汽车量是前一年的两倍。倍数表达式：A+ be+倍数+ as +adj. / adv. (原级)+as +B。选C。