[单项选择]

Parents can easily come down with an acute case of schizophrenic (精神分裂症) from reading the contradictory reports about the state of the public schools. One set of experts asserts that the schools are better than they have been for years. Others say that the schools are in terrible shape and are responsible for every national problem from urban poverty to the trade deficit.
One group of experts looks primarily at such indicators as test scores, and they cheer what they see: all the indicators-reading scores, minimum competency test results, the scholastic aptitude test scores-are up, some by substantial margins. Students are required to take more academic courses-more mathematics and science, along with greater stress on basic skills, including knowledge of computers. More than 40 state legislatures have mandated such changes.
But in the eyes of another set of school reformers such changes are at best superficial and at worst counterproductive. These experts say tha
A. the current tests cannot measure either the students’ progress or actual ability
B. toughening requirements are only productive
C. the present way schools are organized and children are taught is good enough
D. making pupils raise the test scores can improve their knowledge