Given: Which statement is true?()
- A、The output could be 5-1 6-1 6-2 5-2
- B、The output could be 6-1 6-2 5-1 5-2
- C、The output could be 6-1 5-2 6-2 5-1
- D、The output could be 6-1 6-2 5-1 7-1
正确答案:B
答案解析:有

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Given: Which statement is true?()
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