Which is true about ancient greek heroes?

a. they are flawless individuals who are stronger than the gods.

b. they are imperfect figures who do their best to achieve their goals.

c. they are ordinary people who attempt tasks beyond their abilities.

d. they are always kings, queens, or members of a royal family.

The best and most correct answer among the choices provided by the question is the third choice "They are ordinary people who attempt tasks beyond their abilities."
A hero (masculine or gender-neutral) or heroine (feminine) (Ancient Greek: ἥρως, hḗrōs) is a person or main character of a literary work who, in the face of danger, combats adversity through impressive feats of ingenuity, bravery or strength, often sacrificing his or her own personal concerns for some greater good.

I hope my answer has come to your help. God bless and have a nice day ahead!

Hoped he would accept their demands and end the violence