It means most important. For example, a priority for you would be to get good grades. It's currently the most important thing for you right now.
In "All Rivers Run to the Sea" by Elie Wiesel, it shows the power of Holocaust literature by using the author's real experiences as a testimony to the Jewish culture. His memories paint that the Jewish had loving families and went through great despair because of the hatred towards them. They emphasize the resilience his people had to rise above their painful experiences.
Just try to think about optical illusion art that you like and then just start explaining why are you like it
I would say it's A, because like the question stated, his curiosity, tends to overcome his judgement. But the thing about this is that this leads into C, because his curiosity comes before his judgement, so he is risking his life, to be curious...
Hope this helped!! :)
B, because it has multiple subjects and verbs, and more than 1 clause.
:)-Kibeye