What is the MOST likely reason that Chaucer presents The Canterbury Tales as a first-hand account?

Question

to establish that he actually did observe the events he describes

to create a sense of immediacy and authenticity

to prove that the characters in the work had actually told him their stories

to help the reader understand the mythology of the period

My answer is to create a sense of immediacy and authenticity

Answer 1

I agree.

Answer 2

thank you