What does Orwell describe in this extract? As you travel northward your eye, accustomed to the South or East, does not notice much difference until you are beyond Birmingham. […] It is only when you get a little further north, to the pottery towns and beyond, that you begin to encounter the real ugliness of industrialism – an ugliness so frightful and so arresting that you are obliged, as it were, to come to terms with it.
George Orwell, from The Road to Wigan Pier

did you get the answer?

the yellow wallpaper” examines the oppressive nature of gender roles as they were imposed on women in the late 19th century. the narrator is driven mad by her inability to assert her identity.

if the italicized noun phrase is "the chairman", the correct option is s (subject). this noun phrase performs the syntactic function of subject of the main clause, as it preceeds the verb phrase ("heard") and is the doer of the action.

if the italicized noun phrase is "what was said about the program", the correct option is do (direct object). this noun phrase follows a transitive verb ("heard"), which requires a direct object to fully complete its meaning.

if the italicized noun phrase is "the program". the correct option is op (object of preposition). this noun phrase follows a preposition ("about"), which requires a prepositional object in order to complete its meaning.