Sorry for such late an answer, but I believe its A) Predicate Nominative.
Answer:
Technology makes space travel possible
Explanation:
Answer:
The crew follows Odysseus’s orders by tying him up.
and
Odysseus’s crew continues to row, even when he is tied up.
If you ask me it starts the story going. it's like the main detail but I would have to see the whole story so it may not be right.
You form conclusions by wrapping it up- either restate the thesis differently or state your universal message