Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions.
The students presented a strong argument at the meeting. They represented their classes.
A. The students, representing their classes, presented a strong argument at the meeting.
B. The students, presenting a strong argument at the meeting, represented their classes.
C. The students represented their classes as they presented a strong argument at the meeting.
D. The students represented by their classes presented a strong argument at the meeting.