I'm sorry that the poll didn't load for you. I hope that if you had been able to read the other options, you may have picked one of the first four. Here are the six options as I wrote them months ago, verbatim:
1. Have Aftran morph human and become a human nothlit, living with the Chee or Free Hork-Bajir and communicating with Illim/Mr. Tidwell for intel.
2. Aftran stays in Cassie's head and receives Kandrona rays from Erek King or another Chee, participating in missions with Cassie.
3. Tom is rescued and his Yeerk is either kept alive (imprisoned) in Erek's head, or maybe Tom kills him. Aftran goes into Tom's head and pretends to be his old Yeerk, acting as a mole/spy.
4. Aftran becomes a different animal nothlit.
5. K.A.'s original ending, fleshed out by Melinda Metz, where Aftran becomes a whale and leaves the war, was the best thing that could have happened for the war effort.
6. Other? (discuss in thread)
I will admit that I got these ideas after reading some fan fictions that feature Aftran as a main character.