The correct answer is B. It used literary excerpts to illustrate word usage.
Johnson used excerpts from well known books to show how different words are used which was a completely new idea, revolutionary one, since the previous dictionaries showed what the word mean and were sometimes difficult to understand.
1. It is true that flip charts are best for smaller, formal groups.
2/ The difference between an analogy and a simile is D. one's meaning is recognizably opposite of the literal translation.
I think the literary device used is a metaphor