Which evidence from “What to Do about the U.S. Education” provides the MOST relevant support for the claim that being behind in education impacts the future?

Responses
A Teachers need to be equipped with latest technology and teaching methods.Teachers need to be equipped with latest technology and teaching methods.
B Many Americans believe that the students are already best in the world in math and science skills.Many Americans believe that the students are already best in the world in math and science skills.
C It could have grown 4.5% in the next 20 years if American students were in par with the rest of the world in math and science scores.It could have grown 4.5% in the next 20 years if American students were in par with the rest of the world in math and science scores.
D More focus should be on innovating teaching and learning and not standardized testing.More focus should be on innovating teaching and learning and not standardized testing.

C It could have grown 4.5% in the next 20 years if American students were in par with the rest of the world in math and science scores.

The evidence from “What to Do about the U.S. Education” that provides the MOST relevant support for the claim that being behind in education impacts the future is option C: "It could have grown 4.5% in the next 20 years if American students were in par with the rest of the world in math and science scores." This evidence suggests that if American students were not behind in their education, the country's potential for growth would increase significantly.