In the epic poem "Beowulf," the remark about gold signifies that, even the slightest longing for wealth can usually beat the most powerful and determined person.
The rest of the options are incorrect because they do not reflect the negative connotation of the speaker's opinion as regards the desire for gold.
Illustration means "making ideas clearer by giving examples or by using. diagrams or pictures". An example is always one of a larger "set" or "class", eg Mercury is an. example of an element. Exemplification and illustration are common techniques in academic writing.