Answer: A. Definitions
Dictionaries are one of the general references found in libraries wherein you don't have to read it from cover to cover. All you have to do is to scan on specific words you are looking for. All the dictionaries provide definitions however,not all of them gives the language origin, history of the word and even synonyms.
Lambic pentameter was used for the nobles' speech while blank verse or prose was used for commoners. This could be to create a distinction between the classes and to show that the nobles were intelligent, as iambic pentameter has a natural rhythm.
