Final answer:
The suitors C) had to string Odysseus's bow and shoot an arrow through twelve axeheads to win Penelope's hand in marriage, a challenge only Odysseus could accomplish.
Step-by-step explanation:
To win Penelope's hand in marriage, the suitors had to string Odysseus's bow and shoot an arrow through twelve axeheads.
This daunting task was part of the contest devised by Penelope as a condition for choosing a new husband. It required exceptional strength and skill, traits that only Odysseus himself could possess. The answer to the student's question is C) They had to string the bow and shoot an arrow through twelve axeheads.