I think that it is Problem/solution
The Waste Land is T.S. Eliot's most significant work. This poem became one of the most important poems on the first World War and quickly became one of the most significant poems of Modernist poetry.
Umm hi how are you today keep going and dont cheet
Coexist means that they live together or they are used together. Therefore, they coexist with one another. The answer would be C.
I hope this helps!