Final answer:
The subject of this question is English, and the passage references the novel '1984' by George Orwell.
Step-by-step explanation:
In the given passage, the subject of the question is English. The passage describes an automatic action of lifting the flap of a memory hole and dropping it in, which is a reference to the novel '1984' by George Orwell. This action represents the censorship and destruction of information that goes against the government's agenda.