A biased website would not be a reliable source for a historian because it would not be for that purpose, rather, it would include poor research and facts.
I believe the answer is B.
"The Jilting of Granny Weatherall" takes place at the deathbed of 'Granny' when she drifts in and out of consciousness as she prepares to die. She is thinking back on her younger life and its effect on her as she grew old.