Which response clearly explains how the author uses tone as the plot of the faerie queene progresses?

the faerie queene

a. he alternates between serious tones and cynical tones as he alternately depicts the actions of lady una and the dragon, to emphasize the difference between pure good and pure evil.
b. he progresses from a scared and timid tone to a tone of confidence and victory as the redcrosse knight defeats the dragon in three battles over a series of days.
c. he alternates between violent, intense tones and tones of divine peace and strength as the redcrosse knight and the dragon repeatedly fight one another.
d. he progresses from a sincere tone to a cynical tone as he includes events that are a metaphor for real-life questions about goodness and corruption in the world.