Aliterary work's theme can often be stated in a sentence as
a. an assumption
c. a motivation
b. a generalization
d. a characterization

The correct answer should be "a generalization"

Themes are basically generalizations of the entire work of art. For example Lord of the Rings' main theme is the fight between good and evil. This is as generalized as it gets.

Ibelieve this is the part where ulysses reveals his true identity to his faithful servants eumaeus and philaetius: his ragged vest then drawn aside disclosed the sign conspicuous, and the scar exposed: eager they view'd, with joy they stood amazed with tearful eyes o'er all their master gazed: these servants know ulysses by the scar he got when he was a child - so when he showed them the mark, they immediately knew this is truly their master and they hugged him, finally starting to believe his words.