Experiencing English 2, Unit 4 Calamities and Rescues Understanding the Text 3. What made Katie realize that something was wrong with her children? When she heard the air horn and the screech of the train's brake she was aware that something was wrong with her children Passage B In the Nick of Time FRNSWUCGExperiencing English 2, Unit 4 Calamities and Rescues Passage B In the Nick of Time Understanding the Text 3. What made Katie realize that something was wrong with her children? When she heard the air horn and the screech of the train's brake, she was aware that something was wrong with her children