听力原文:To the teacher's surprise, better than half of the class was absent, which accoun
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A.The better half of the class decided to cancel the lecture
B.Teacher was surprised to find less than half of the class was present, but he decided to give his lecture as originally planned.
C.The teacher's surprising announcement to cancel the lecture led to chaos.
D.Unexpectedly, less than half0f class were present.