The correct answer is metaphor.
A metaphor is a rhetorical figure of speech where two or more things are symbolically compared, without using the words such as like or as (because that would be a simile). This whole poem is symbolical/metaphorical - it talks about the passage of time and how everything is transient and fleeting.
The correct answer is B. While someone else is eating or opening a window or just walking dully along.
Suffering, in Auden's (and old masters') view, is not a drastic case of the human condition. Auden doesn't single it out to depict it in its tragic magnificence. He puts it in the context of ordinary lives of people who mind their own business. It happens in circumstances that are most trivial for those other people. It seems that everyone is either ignorant or indifferent to another person's suffering.
The correct answer is A.Mr. Langan requested a wake-up call for 9:00
