Dumbfounded means to be left utterly speechless, or to simply be amazed/confused.
Answer:
repitiTION
Explanation:
it repeats twice to emphasize more strongly (almost hyperbolicly) that the author "did not believe" this and that
Every kind of work, school, and even religion needs calendars too keep on track!
If you could, post the memoir title so someone can read it and assist you with the question...