Answer:
C. He just liked to debate
According to Boswell, Johnson sometimes expressed opinions that he did not really believe because he just liked to debate.
Step-by-step explanation:
With a lack of a formal degree, he actually gained lots of knowledge by writing by himself and also gaining insight into debating as well as registering arguments and how effective they were. He started to write a biography and was an avid learner. Johnson’s vision was to have a book which could open the language of English to the world.