Which of the following statements is true?​
A)
​In recent years, the federal government has increased its investment in research and development.
​B) Funding for research in the United States comes mostly from the federal government. ​

C)In comparison with other countries of the world, the United States ranks at the top in information and computer technologies according to the Network Readiness Index. ​

D) The United States awards the highest number of science and engineering PhD degrees in the world.