问题描述：
求教sat牛人一道语法题~感激不尽!
2010年10月section5第三十八题 段落改进题
这是要考的那一段：In 2006 organic food sales in United States alone reached $17 billion.This figure is rather surprising when you consider that organic food is often much more expensive than conventionally grown food.Organic fruits and vegetables can cost as much as 40 percnet more than conventionally grown produce.
Organic fruits and vegetables can cost as much as 40 percnet more than conventionally grown produce.
这句话要怎么改最好?（划线部分是开头四个单词）
A.By comparison,organic fruits and vegetables
B.Indeed,organic fruits and vegetables
为什么选b不选a呢,这句话后面不是提到比较了吗?
2010年10月section5第三十八题 段落改进题
这是要考的那一段：In 2006 organic food sales in United States alone reached $17 billion.This figure is rather surprising when you consider that organic food is often much more expensive than conventionally grown food.Organic fruits and vegetables can cost as much as 40 percnet more than conventionally grown produce.
Organic fruits and vegetables can cost as much as 40 percnet more than conventionally grown produce.
这句话要怎么改最好?（划线部分是开头四个单词）
A.By comparison,organic fruits and vegetables
B.Indeed,organic fruits and vegetables
为什么选b不选a呢,这句话后面不是提到比较了吗?
问题解答：
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