Final answer:
The main character described his apartment building in a way that evokes a totalitarian and oppressive atmosphere, which makes option (c) the correct answer.
Step-by-step explanation:
When the main character entered his apartment building, he described it in a way that indicated a gloomy and oppressive atmosphere. He mentioned the smell of oily cabbage, the fact that the elevator never runs during the day to save energy, and a huge poster of the party's leader whose eyes followed him as he walked up the seven flights of stairs. This description provides an impression of a setting that is totalitarian and oppressive, making option (c) the correct answer.