A. exempted
B. refused
C. failed
D. promised
✅ The correct answer is option C.
Exempted : free (a person or organization) from an obligation or liability imposed on others.
Exempted : free (a person or organization) from an obligation or liability imposed on others.
Refused : indicate or show that one is not willing to do something.
Failed : (of an undertaking or a relationship) not achieving its end or not lasting; unsuccessful.
Promised : assure someone that one will definitely do something or that something will happen.
Neglected : fail to care for properly.
Synonym of Neglected is Failed