Answer: C) Rena’s father asks Andrzej to take her to safety in Slovakia, and he agrees to do so.
Step-by-step explanation: In the given excerpt from Rena's Promise: Two Sisters in Auschwitz we can see that Rena's father is concerned about her safety in Tylicz and asks Andrzej to take her to Slovakia where she would be safe, Andrzej agrees to do so, because he was friend with Rena since childhood, so the sentence that best summarizes the excerpt is the corresponding to option C.