Jarvis Has Been Employed as a "Greeter" in a Department

Multiple Choice

Jarvis has been employed as a "greeter" in a department store for several years.Recently,his employer recently advised him that he is being transferred to the shipping bay of the store where he will unload trucks.On what legal basis might Jarvis challenge his employer's plan?

A) His employer has failed to prove that it has a genuine business reason for the transfer.
B) An employer cannot change any conditions of employment without first obtaining an employee's consent.
C) The employer has breached employment standards legislation.
D) Without his consent,the move will constitute constructive dismissal.