Final answer:
In the book 'Resistance', Chaya created a diversion and threw a rock at the Gestapo guards to help Esther escape.
Step-by-step explanation:
In the book, Resistance, the diversion that Chaya created to get Esther out of the Gestapo was (a) She threw a rock at the Gestapo guards. This act of defiance was one among many forms of resistance during the Holocaust. Resistance movements and individuals showed great courage and ingenuity in their efforts to oppose the oppressive Nazi regime.
They engaged in various forms of resistance, including armed uprisings, such as the Warsaw ghetto uprising, cultural and spiritual preservation in ghettos and concentration camps, and the acts of individuals like Irena Sendler and Oskar Schindler in saving lives.