Etymology of obdurate

Which techniques best describe the tone the author is using in this passage?

The legend of king arthur and the basis of its factuality have drawn a good deal of attention for hundreds of years, from both popular culture as well as academic scholars. consider, now, the consequences of a definitive resolution to the issue of his existence. do you feel that not knowing in this case is perhaps preferred to knowing? what other mysteries might we as a culture prefer to remain unsolved? why?

The war of the worlds by h. g. wells but, looking, i presently saw something stirring within the then something resembling a little gray snake, about the thickness of a walking stick, coiled up out of the writhing middle and wriggled in the air toward me – and then another the war of the worlds (radio broadcast) by orson welles good heavens, something's wriggling out of the shadow like a gray snake. now it's another one, and another. they look like tentacles to me. which sentence best describes the tone of the passage from the book compared to the passage from the radio broadcast? a. the book has a more matter-of-fact tone, b. the book has an angrier tone. c. the book has a scarier tone. d. the book has a more surprised tone.