contestada

Which motif is present in the passage
In a solitary chamber, or rather cell, at the top of the house, and separated from all the other apartments by a gallery and staircase, I kept my workshop of filthy creation; my eyeballs were starting from their sockets in attending to the details of my employment.
A.) The feeling of regret
B.) An unhealthy habit
C.) A gothic setting
D.) The plot's climax