I winced - the amount was around five hundred dollars . " No , " she said . " The doctors have written off any difference . All you 're responsible for is a $ 20 co - pay .
Why might have the doctor write off the differences ?
Pick the best answer from the following options:
A. Because that might have been the arrangement with the hospital .
B. Because that might have been the arrangement with the medical company .
C. Because that might have been the arrangement with the insurance company .
D. Because that might have been the arrangement with the my company .


C