Diction specifically refers to a speaker's choice of words and how "effective" these words are in achieving a specific goal.
So, your answer here should be B: Meaning and effect of words.
Google search "diction" if you want a definition.
I can help cause i just did that in my reading class
It’s c I read this book last year and the answer is c
Answer:
He introduced readers to previously forbidden topics -- sexuality, the human body and its functions -- and incorporated unusual themes, such as debris, straw and leaves, into his work. He also uses free verse which is fairly unique.
Explanation: