B) Deride
Deride means to ridicule or mock
Therefore it is the most suitable option for the context of the sentence.
If you think about theme and understand what it is then you read the paragraph or sentence that you are reading then you will know exactly the theme of the story.
The answer is deliberated. Deliberate means to consider carefully.
When elaborating a persuasive essay, you should try to anticipate the reader's objections to your argument and address them one by one.