1. By definition, a round character is a well-developed character.
2. If something is implied, that means it is stated indirectly.
3. Another word for exposition is introduction.
The answer to your question is letter A. He desires to regain his freedom, first from a witch and then from prospero. This should help..
Explanation:
As they pass the island of the siren's the men put wax in their ears and lash odysseus to the mast and they pass without incident. When they came to Charybdis they carefully sail around the whirlpool, and scylla grabbed and ate 6 men.