Question 30 asks about the preceding passage as a whole.
30. Suppose the writer’s primary purpose had been to give an overview of the history of an important invention. Would this essay accomplish that purpose?
Your Answer is
Correct Answer is F
Explanation
The theme of the article explains the historical development process of the spread spectrum, so the question stem assumes that the theme is in line with the theme of the article, and the explanation of item F is correct.