What Was the Main Reason the Brown Family Brought a Lawsuit

What was the main reason the Brown family brought a lawsuit against the Board of Education in Topeka, Kansas?

A) Linda Brown was not allowed to get a drink of water out of the only drinking fountain at the school because she was not white.
B) Linda Brown allowed a black student to sit next to her in the school lunchroom.
C) Linda Brown boarded a bus that was for black students only.
D) Linda Brown was not allowed to ride the same bus as the white children even though they all went to the same school.
E) Linda Brown was refused admittance to a white-only school because she was black.