Sheila's audacity showed how willing she was to take risks
Well, they give in to temptation for food and gold. Which leads them into the Cyclopes cave. It effects them by having to be left on the island for much longer then they were going to stay, they lost crew members and they also had to find a way out.
C) "This data is totally useless and doesn't help us at all in solving the problem."
I think it could be B but I could be wrong
