Which source is the most credible?
A. An interview in a local newspaper with the CEO of a major
organization who says he works nights and weekends to earn his
$2 million salary
B. A show on talk radio that says the American Dream is still
achievable, but people with less money need to show they're
willing to work harder
C. A government report released in 1992 about improving living
conditions among poor people in the United States
D. A recent report by a respected research organization showing that
the income gap, or difference in wealth between rich people and
poor people, is growing