Question

Read the excerpt from Samuel Johnson's preface to A Dictionary of the English Language.

Answer 1

The excerpt suggests that Johnson's work is significant because it reflects an exhaustive study of its words. Correct on e2020. 

Answer 2

The excerpt suggests that Johnson’s work is significant because it reflects an exhaustive study of its words.
In the excerpt above, Johnson says that he used many methods in order to compile this dictionary - he read a lot of books, used his experience, and used many analogies for readers to connect words and their meanings on their own. A is incorrect because that's not the point of a dictionary; B is incorrect because he doesn't even mention other dictionaries; D is incorrect because a dictionary cannot only list obscure words.