Question 45 asks about the preceding passage as a whole.
45. The writer wants to add the following sentence to the essay:
The park idea gained momentum.
The sentence would most logically be placed at:
Your Answer is
Correct Answer is C
Explanation
The idea of ??building a national park was mentioned for the first time before position C, and after the efforts of Jones et al., public perception has been changed, so this sentence is added at position C, indicating that "the idea of ??building a park has gained momentum" .