The author is primarily concerned with ______.
A:condemning the U. S. for its failure to provide better medical care to the poor.
B:evaluating the relative significance of factors contributing to the poor health status in the U.S.
C:comparing the general health of the U. S. population with world averages
D:advocating specific measures designed to improve the health of U. S. population
发布时间:2024-03-28 10:44:04