What tone is most commonly used in magical realist literature? a. a comical tone b. a romantic tone c. a serious tone d. a childlike tone

I would say c. a serious tone. When Franz Kafka wrote Metamorphosis he seriously described how the main character in his novel turned into an insect.  

the personification of the word prudence d) it effectively enhances the logos and ethos of the argument.

logos means appeal to the logic or reasoning of the people.

ethos means appeal to the credibility of the argument, that it is worth listening to and acting upon.

bildungsroman describes a coming-of-age story.

hope this you ; )