35. Within the passage, the sixth and seventh paragraphs (the highlighted phrase) primarily serve to:
Your Answer is
Correct Answer is A
Explanation
Item A: Through the for example that appeared in L35, it shows that this paragraph is used as an example to explain the argument mentioned in the previous paragraph: scientists are studying what phenomena will produce infrasound signatures, and how to correspond signatures and phenomena one by one.
Item B: It does not mention that the actual application is to prevent explosions.
Item C: infrasound is not applied in the detection.
Item D: There is no mention of disagreements.