【单选题】

Seventeen-year-old Quantae Williams doesn’t understand why the U. S. SupremeCourt struck down his school district’s racial diversity program. He now (61) the prospect of leaving his mixed-race high school in suburban Louisville and (62) to the poor black downtown schools where he (63) in fights. "I’m doing (64) in town. They should just leave it the (65) it is," said Williams, using a fond nickname for suburban Jeffersontown High School, (66) he’s bused every day from his downtown neighborhooD、"Everything is (67) , we get along well. If I go where all my friends go, I’ll start getting in trouble again," Williams said as he took a (68) from his summer job (69) clothing (70) for poor families.

Last month’s 5-4 ruling by the SupremeCourt struck down programs that were started voluntarily in Louisville and Seattle. The court’s decision has left schools (71) the country (72) to find a way to protect (73) in their classrooms.Critics have called the decision the biggest (74) to the ideals of the 1954Brown vs.Board ofEducation (75) , which outlawed racial segregation in U. S. public schools. With students already (76) to schools for the (77) year that begins in September, (78) will be immediately affected by the SupremeCourt decision. In JeffersonCounty, officials said it could be two years (79) a new plan is (80) place, leaving most students in their current schools.
A．after
B．before
C．since
D．because