Read the title and subtitle from "Majority of Americans Believe It Is Essential That the U.S. Remain a Global Leader in Space.”Majority of Americans Believe It Is Essential That the U.S. Remain a Global Leader in Space: Despite the Increasing Role of Private Companies in Space Exploration, Most Believe NASA’s Role Is Still Vital for Future
Answer
A
to signal order of importance
B
to provide more extensive information about ideas in the text
C
to signal important details
D
to provide additional information about the topic of the text