What Were the Findings in the Report a Nation at Risk

What were the findings in the report A Nation at Risk?

A) U.S. schools are increasingly being targeted by domestic terrorists.
B) U.S. schools have underperformed and are not globally competitive.
C) U.S. high schools rank near the top of Global North countries, but elementary schools rank much lower.
D) U.S. schools improved markedly under No Child Left Behind.