I believe the answer is A... Loneliness, because he is lonely walking home from the pub
The best and the correct answer among the choices provided by the question is the second choice.
The author’s viewpoint toward the actual Rosetta Stone in "The Rosetta Stone” is that i<span>t is a historical artifact that scholars spent too much time trying to understand.</span>
I hope my answer has come to your help. Have a nice day ahead and may God bless you always!