Mustapha Mond is the most powerful and intelligent proponent of the World State. ... Mustapha Mond is a paradoxical figure. He reads Shakespeare and the Bible and he used to be an independent-minded scientist, but he also censors new ideas and controls a totalitarian state.
Is D, the setting is the time, place and social environment in the story
I’m guessing D as her diary is a primary source hope this helps :)
Inarticulate means not being able to speak or express clearly. In this case, Peter was inarticulate because he was angry when Mr. Dussel teases Peter about his cat which he loves very much. Not the same with Mr. Dussel who claims he is allergic to cats.