I would say either suspense or repetition, but I think I would lean more towards the suspense side.
A. is Your answer hope this helpes
Answer:
Goliath and Saul
The underlying purpose of the story of Goliath is to show that Saul is not fit to be king (and that David is). Saul was chosen to lead the Israelites against their enemies, but when faced with Goliath he refuses to do so; Saul is a very tall man, but Goliath is a giant.
Explanation: