Answer: option B
Explanation: In simple words, mockery refers to a behavior in which one individual imitates others way of talking or body language etc in an absurd and offensive way.
Discrimination refers to the condition in which one individual is treated unequally and given less opportunity due to any specific characteristics of his or her personality.
Thus, in option B rifka is facing mockery and discrimination as the supervisor is making fun of her way of talking and making her fell inferior due to her ethnicity.