Odysseus's men ate the Greek god Hermes' cattle because they were starving, so in return Hermes asked Poseidon to destroy Odysseus's ship and drown his men. And when Poseidon destroyed Odysseus's ship, Odysseus floated around lost at sea until eventually he washed up on Calypso's shore.<span />
Here is a website that will help you find the answer and understand the poem as well...
http://www.sparknotes.com/poetry/hopkins/section4.rhtml
If you do not wish to visit the site I believe the answer is A.
Because she is mourning her own mortality, because man is mortal.
Answer:
I CAN HELP YOU WHEN YOU SHOW ME THE PASSAGE OR STORY OR NOVEL.
Diamonds, Rubies, Coral and Jewels.
The rainbow at the end of "The Fish" is the most likely a symbol of A RAINBOW TROUT.
I'm not a 100% sure, but I hope this helps. (^_^)