Shunsuke Is a 53-Year-Old Man from Japan Who Has Been

Shunsuke is a 53-year-old man from Japan who has been living in Hartford, Connecticut for the past 40 years. He is gay and is legally married to an American, Bob, with whom he has two adopted children. Whereas Bob is a devout Christian, Shunsuke practices Buddhism. While processing his personal file in order to get his driving license renewed, the window clerk kept referring to Shunsuke as a "yellow person." In this scenario, which type of discrimination does Shunsuke encounter, and how?

A) Ethnicity bias; because the clerk is mocking the fact that Shunsuke is of Japanese descent.
B) Ageism; because the clerk is mocking the fact that Shunsuke is a middle-aged man.
C) Religious affiliation; because the clerk is mocking the fact that Shunsuke is a Buddhist.
D) Sexual orientation; because the clerk is mocking the fact that Shunsuke is married to a man.