问题描述：
Americans eat -----vegetables per person today as they did in 1990 A more then twice as many B more
Americans eat -----vegetables per person today as they did in 1990
A more then twice as many B more than twice C twice as many as D As twice as much
由于为没有财富了,
Americans eat -----vegetables per person today as they did in 1990
A more then twice as many B more than twice C twice as many as D As twice as much
由于为没有财富了,
问题解答：
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