Question 30 asks about the preceding passage as a whole.
30. The writer is considering adding the following true statement to the essay:
The dictionary is bilingual and includes both a written English translation of each word and a sound file of the word spoken in both English and Coastal Athabaskan, often by Lane himself.
If the writer were to add this statement, it would most logically be placed at:
Your Answer is
Correct Answer is H
Explanation
The keyword of the added sentence is the dictionary, which specifically refers to a dictionary, so you need to find the description of the dictionary in the article. Only the third paragraph mentions 'talking dictionary'.