After the new technique was introduced，the factory produced cars in 2011 as the year before.
A. as twice many
B. as many twice
C. twice as many
D. twice many as
网友回答
A. as twice many
B. as many twice
(答案→)C. twice as many
D. twice many as
解析：考查倍数表达法。倍数表达法：倍数 as 形容词原级 as…；本题名词为cars，使用many修饰。故C正确。句意：在新的激素被引进以后，这家工厂2011年生产的汽车是前年的2倍。