Respuesta :
Answer: it is the thrid on
Explanation: since i helped can i have brainlist please like you said. :D
Answer:
Their mother is promised a promotion if she stays late at work.
Explanation:
In the passage the mother arrives late to pick up her daughters because the workers were "unreliable" so the mother's boss promised a promotion is she stays late at work. Assuming you are using K12 you can go to page 218 and the middle paragraph explains the answer.
hope i helped :D