What is the central theme regarding strength in the world of warriors and demons as depicted in Beowulf?

A. Skill is more valued than strength, emphasizing strategic thinking and cunning.
B. Strength is a constant obsession, with warriors going to extreme lengths to display physical might.
C. Deviousness is preferred over straightforward approaches in battle.
D. Kings and counselors are portrayed as sympathetic characters when unable to defeat foes.