What is absolute chronology

A a chronology listing of specific dates
B a detailed summary of a historic event
C a listing of events that occurred during the same time period
D a timeline that has been verified by professional historians.

3 answers

And you think it's ... ?

I think it is A

I think you're right, but be sure to double-check your text and/or read several of these search results:
https://www.google.com/search?q=absolute+chronology&oq=absolute+chronology&aqs=chrome..69i57j69i61j69i60.31199j0j7&sourceid=chrome&ie=UTF-8