Which of these inferences about the Highway Beautification Act of 1965 is best supported by the text?

Answer choices for the above question

A. It was believed that this legislation would cement the United States’ position as a world leader in environmental reform.

B. The act would serve to protect the national landscape from invasive species that threatened to undermine roadways.

C. Johnson argued that the act would be one of the first lines of defense against the encroachment of advertisements and man-made pollutants near the highways.

D. Key components of the act were heavily scrutinized and later changed at the request of large corporations.