A. it will drain the oil reserves in the Alaskan region B. it can do little to solve U.S. energy problem C. it can cause serious damage to the environment D. it will not have much commercial value 参考答案:B 答案解析:[解析] 文中第三段第二句意为:在ANWR中开采的石油在经济概念上可以恢复的已经很有限,而一点一滴对缓解美国能源问题也是杯水车薪,无济于事。B项意义最相符。