SAT question..please help?

Question

Choose the word or set of words that, when inserted in the sentence, best fits the meaning of the sentence as a whole.


The professor asked the students to make sure they read the entire novel, both the twelve regular chapters and the extensive ----- materials that the author included at the beginning of the book.


a. proleptic


b. redacted


c. prefatory


d. orthographic


e. conjunctive

Answer 1

Prefactory mostly mean something first, so that should be the answer. Good luck.