They had to challenge her first. So, yes, challenging her was the only way to get better grade. And you still knew im advance what questions are giing to be.
Cheaters and non cheaters were punished in exactly the same way. Effectively cheating gave you an advantage and being shy gave you disadvantage.
> And once you went to complain about your grade
She didn't ask them to challenge them, she asked them additional questions. The test already asks them questions.
If you are really shy, a culture where no one cheats is far better because your actual ability and intelligence shines through