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- 单项选择题 You are creating a Windows Forms application by using the .NET Framework 3.5.The application stores a list of part numbers in an integer based array as shown in the following code segment （Line numbers are included for reference only）
You need to use a LINQ to Objects query to perform the following tasks： - Obtain a list of duplicate part numbers： （1）Order the list by part numbers （2）Provide the part numbers and the total count of part numbers in the results Which code segment should you insert？（） 
A、A
B、B
C、C
D、D
- D
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