题目内容：
What is the main idea of the man's speech?
A．Everything at State U, niversity has changed in the past ten years. B．Although the campus looks the same, some things have changed at State University.
C．In spite of the changes on the campus, the commitments of the State University remain the same.
D．Everything has stayed the same at State University during the past ten years.
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答案解析：