the correct answer is b. realism
chris mccandless wasn't a hero but he was inspirational because of his travels and death many people went out and traveled just like he did. following his footprints they set out to alaska and journeyed the same path even though they knew it might be dangerous. chris wasn't a hero but he did do what a lot of people where afraid to do, live.
it is simply a personal preference or feeling and it cannot be supported with logical reasons.
it is a personal claim based on what the writer prefers, as it is expressed in "i would be thrilled". also, there is no logical reasoning behind this argument; it merely expresses the writer's individual perception,