Read the following context and choose the best option to answer the question.
Context: My sister was inbetween health insurances in her job , and of course , needed emergency gall bladder surgery . The surgeon wanted $ 4000 , they agreed on $ 2000 . She had the surgery , and when she told me the cost , as a Medical Biller I advised her that ins co have fee schedules and would pay between $ 500 and $ 900 depending on the co.
Question: Why may the sister and her family be so stressed out ?
Options: 
A. They feel financially tight amid a need for surgery .
B. They feel the need for money amid a bad breakup .
C. They feel the stress of the surgery and nothing else .
D. None of the above choices .


A