If you describe the taste of strawberries as yellow, you would have taste - visual synesthesia, if the sound of a saxophone reminds you of the taste of oranges, you would have audio - taste synesthesia. Audio - visual synesthesia is one of the most common.
Explanation: from my point of view the post test only is the answer because Hayden prefers to test the participants only after they have been in touch with the poem, that means that they hear or read it already.
Captain Nemo is a dynamic character because he develops throughout the book. He begins as a sort of an enemy and during the voyage he becomes a better man and changes his ways.