问题
选择题
(2009陕西宝鸡质检)People eat vegetables per person today as they did ten years ago.
A．as twice many
B．as twice as many
C．twice as many as
D．twice as many
答案
答案：D
根据英语中倍数的表达方式之一，倍数+as+adj+as+被比对象，选D。
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