1、围绕着business--method patents来说，从关键词scale back/curb on/例子/narrow down可以非常迅速排除B这一相反选项--protection;
2、[C] A legal case regarding business--method patents
3、[D] A prevailing trend against business-method patents、
4、剩下AD,方向是对的，错在细节把握上，一个是looming(隐约出现的)，一个是prevailing(盛行的)，所以单词的记忆还是很关键的，这一趋势刚刚开始，并未大范围开展。
5、[A] A looming threat to business--method patents
6、 Which of the following would be the subject of the text?
7、Which of the following would be the best title for the text?
8、而C是个例子不能够概括文章主题;
9、[B] Protection for business--method patent holders