According to Civil Law, Which Situation Is an Example of Negligence

According to civil law, which situation is an example of negligence by a nursing assistant?

A) The assistant tells his/her peers that the new nursing assistant has a reputation for partying on the weekends and taking illicit drugs.
B) The assistant is distracted by a resident's roommate yelling that he/she forgot to lock the wheels on the wheelchair, which rolled away as the resident was beginning to sit, resulting in a hip fracture from the fall.
C) The assistant writes a note to his/her supervisor stating that he/she heard the newly hired nursing assistant was fired at his/her last job for "being rough" with the residents.
D) A fellow employee reports that the newly hired assistant locked one of the residents inside the bathroom for an extended time.