Which one of the following statements about schooling in the United States during the mid-1940s can be inferred from the passage? A. School expenditures decreased for white schools. B. The teachers in white schools had more time to cover material during a school year than did teachers in black schools. C. The basic curriculum of white schools was similar to the curriculum at black schools. D. White schools did not change substantially in quality. E. Although the salaries of teachers in black schools increased, they did not keep pace with the salaries of teachers in white schools.