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单项选择题 You work as an application developer at Certkiller .com. Certkiller .com has asked you to create a multi-threaded application， which executes a critical database  backup operation on an hourly basis. You define this operation with the following code：  public void BackupDB （） {  //Implementation code }  You then create a Thread object for the purpose of invoking this method.  You need to ensure that the thread is scheduled for execution before any other thread at runtime.What should you do？（）

A、A

B、B

C、C

D、D

  • C

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