听力原文：We can make progress in the Six-Party Talks if North Korea is ready to return and

听力原文： We can make progress in the Six-Party Talks if North Korea is ready to return and return seriously to them. Now, sometimes there is a tendency to think that international problems can always be traced back to questions of what America should do. We see this thinking in the current debate about North Korea. There are those who say that North Korea is behaving the way that it is because of something that America either did or did not fro. That misses the point. Over the course of many years and throughout many diplomatic conditions with North Korea, there has been one constant. It is North Korea's leaders, not those in Washington, who have made the fundamental choices, really the tragic choices about the condition of their country. Those choices have led to deprivation and oppression and despair for the North Korean people. And the North Korean people deserve better.

Those miners had been protesting in Huanuni in Bolivia because they wanted to ______.

A．have higher salaries

B．work under better conditions

C．keep independent mining jobs

D．work for shorter hours