The answer is D because each story involves the topic of knowledge and good doesn't overcome wickedness in each story. Choices A and C doesn't even relate to any story listed. Therefore, D is the best answer.
Studying helps you remember the facts and gives you better grades. :) hope this helps
The the repetition of happy should mean that the poet is making the tone a happy mood and that he is trying to show that the poem is a happy them
E.helping switch from one task to another.
