The answer is C "In Sayadio and Spirit land," The afterlife is full of joy while in " Valhalla hall of the chosen Slain" it is based on playing war games and feasting.
Much of the book can be taken as an exaggeration, or just misremembering it. If it had been written as it had happened, then it might have been much more accurate to the events that took place.
Teens are main consumers of technology
I think it's be D or A. Personally I'd choose D. Hope this helps.