Final answer:
In the book 'Resistance,' Chaya was familiar with the Draengers as they were her scout leaders, which links to her involvement in the resistance movement during World War II.
Step-by-step explanation:
In the book Resistance, Chaya knew the Draengers because B) They were her scout leaders. The story revolves around Jewish resistance movements during World War II, and the characters in the book actively participate in efforts to defy and resist the oppressive rule of the Nazis. The Draengers play a significant role in the story, providing a connection to Chaya's past activities with the scouts and her current involvement in acts of resistance.