Please help! Poetry of Langston Hughes.

how is the detail of the speaker being asked to eat in the kitchen important to the theme?

I, too, sing America.

I am the darker brother.

They send me to eat in the kitchen

When company comes,

But I laugh,

And eat well,

And grow strong.

Tomorrow,

I'll be at the table

When company comes.

Nobody'll dare

Say to me,

"Eat in the kitchen,"

Then.

Besides,

They'll see how beautiful I am

And be ashamed —

I, too, am America.
Question 4 options:

a. It reveals how unaffected the speaker is by discrimination.

b. It highlights the speaker's dissatisfaction with life in America.

c. It emphasizes the unfair treatment the speaker receives.

d. It shows how unfriendly people are in America.