The answer is A towards your question.
To focus on a story’s realistic, ordinary details instead of its supernatural elements
<span>Mr. Shiftlet wants the car and the money that Mrs. Crater says that she will give him for a honeymoon. This is what makes him agree. He also agrees because he likes that Lucynell is innocent and won’t talk back to him.</span>
For twain he tried to disprove Charles Darwin's evolution theory