获取方案

B. The first is the position the argument advocates; the second is an alternative position that the argument rejects.

C. The first presents a strategy for achieving a certain goal; the second presents a drawback to that strategy.

D. The first presents a strategy for achieving a certain goal; the second presents grounds for preferring a different goal.

E. The first presents a strategy that, according to the argument, is ineffective; the second presents a way of improving the effectiveness of that strategy.