In Deatons V Flew (1949)79 CLR 370,why Was the Hotelier

Multiple Choice

In Deatons v Flew (1949) 79 CLR 370,why was the hotelier NOT liable to the injured customer?

A) Because the barmaid lost her temper.
B) Because the injured customer had provoked the barmaid and was contributorily negligent.
C) Because the barmaid's actions were outside the scope of her employment.
D) Because the barmaid was not an employee.