C. The employee had lied about going to his grandmothers funeral
Answer:
Swift uses a false premise to create humor.
Explanation:
Ridiculous situations abound in Gulliver's travels and this is one of them. It is quite absurd that a man born blind could be versed in the art of painting. Having blind apprentices too supports this because they can't know what they are doing let alone teach someone else.
Of course the professor must be generally mistaken and the fraternity that elevates him must be one ridiculous lot.
Common (i need 20 characters so ummmm yay)