Which of the following sentences contains an oxymoron?
A.
Students filed quickly into the auditorium, hoping to find out about the new schedule.
B.
After everyone flew out of the auditorium, Gabe and Brian were left alone together.
C.
Mr. Griffin's speech before the assembly of 10th graders was short and to the point.
D.
Productions by the drama class were beginning that autumn after midterm exams.