Answer: B) The king shows his appreciation for Frithiof's loyalty by insisting that he and Ingebord marry after his funeral.
Explanation: In "Frithiof the Bold" by Logan Marshall, Frithiof's decision not to take the King Sigurd Ring's life when he has the opportunity affects the plot of the story because the king shows his appreciation for Frithiof's loyalty by insisting that he and Ingebord marry after his funeral. Frithiof became the companion of the king Sigurd Ring. On a hunting expedition, the king fell asleep and Frithiof didn't kill him. The king appreciated his loyalty and told him to marry Ingebord after his funeral.