Answer:
What inspires terror among the Jews is that they see, for the first time, the flames of the crematoria.
Step-by-step explanation:
As they were going toward Auschwitz on the train and listening to the woman speaking about the horror of fire in their destiny, they did not see it as a reality until that moment they saw the place and they started to be separated in two lines, the ones who were going to the crematoria and the ones that were going to keep alive.