Answer:
The tall man wore a big yellow hat on his head.
Explanation:
This is the correct answer because the antecedent is the "tall man". This is a singular noun. Man also tells us it will refer to the pronouns denoting a male gender, in this case "his". Therefore, "The tall man wore a big yellow hat on his head." is correct.
Basically, Polyphemus the cyclops greets Odysseus and his men in a fairly friendly manner, but that doesn't last. When he sees them in his cave, the first thing Polyphemus asks is who they are. He asks if they are traders or fugitives. But then he gets a lot scarier.
You can be seen as racist