Read the passage:
you fancy me mad. madmen know nothing. but you should have seen me. you
should have seen how wisely i proceeded--with what caution--with what foresight--
with what dissemination i went to work!
how does the writer's use of mad and madmen arouse fear in the reader?

a. it makes the reader wonder whether the speaker means crazy or angry

b. the reader recognizes that the speaker is extremely rational thinker

c. the reader knows that madmen are unpredictable and difficult to control

d. the reader knows that the speaker is only the same person in the story