Final answer:
The correct answer is option b . In the book 'Resistance', Janek is the boy who hid Chaya and Esther in the Lodz ghetto. His character symbolizes the bravery seen in various forms of resistance during the Holocaust.
Step-by-step explanation:
In the book Resistance, the name of the boy who provided Chaya and Esther with a hiding place in the Lodz ghetto is (b) Janek. The character Janek is a reflection of the many acts of heroism and defiance shown by individuals during the Holocaust, where resistance took many forms, from armed uprisings like the one in the Warsaw Ghetto to efforts to save lives by smuggling people out of ghettos and camps.
Stories like these highlight the courage and humanity of those who stood against the atrocities of the Nazis despite the immense risks.