Maybe he was fascinated in Frankenstein. Or maybe he was a physician and wanted to help.
If I'm not mistaken your answer is C :)
Is a true story that happened long ago one of your choices? If so, then I would go with that, or stick around for few more suggestions on it.
<span>In order to prove he is who he says he is, Odysseus follows both Philoetius and Eumaeus outside, Once there, he guarantees their loyalty to each other and identifies who he really is via a scar that is located on his foot. Once done, he promises to treat them as if they were Telemachus's brothers if they can promise to fight by his side.</span>
Its the first one i believe