GWD1-3答案无法接受

tracyshensmeal

Q3:
A product that represents a cleartechnological advance over competing products can generally command a highprice.  Because technological advances tend to be quickly surpassed and companieswant to make large profits while they still can, many companies charge thegreatest price the market will bear when they have such a product.  But largeprofits on the mew product will give competitors a strong incentive to quicklymatch the mew product’s capabilities. Consequently, the strategy to maximize overall profit from a new productis to charge less than the greatest possible price.

In the argument above, the two portions in boldface play which of the followingroles?

1. The first is an assumption that forms the basis for a course of     action that the argument criticizes; the second presents the course of     action endorsed by the argument.
   
2. The first is a consideration raised to explain the appeal of a     certain strategy; the second is a consideration raised to call into     question the wisdom of adopting that strategy.
   
3. The first is an assumption that has been used to justify a     certain strategy; the second is a consideration that is used to cast doubt     on that assumption.
   
4. The first is a consideration raised in support of a strategy     the argument endorses; the second presents grounds in support of that     consideration.
   
5. The first is a consideration raised to show that adopting a     certain strategy is unlikely to achieve the intended effect; the second is     presented to explain the appeal of that strategy。
   

答案选B，下载了流沙的解释，但是对于这题没有解释的，求高人相助！

purpleelf

顶一下。同问