A. I think because Cadence, in music, the ending of a phrase, perceived as a rhythmic or melodic articulation or a harmonic change or all of these; in a larger sense, a cadence may be a demarcation of a half-phrase, of a section of music, or of an entire movement. (I am sorry if I am wrong )
A characteristic of a novel is that it focuses on a character's development. A novel looks specifically into how the character changes through the story.
Your answer is: B) Novels focus on character development
Have an amazing day mate!