【单项选择题】
Your application uses two threads， named threadOne and threadTwo.You need to modify the code to prevent the execution of threadOne until threadTwo completes execution.<br /> What should you do？（）<p> Your application uses two threads， named threadOne and threadTwo.You need to modify the code to prevent the execution of threadOne until threadTwo completes execution.<br /> What should you do？（）</p>
A、A.Configure threadOne to run at a lower priority.
B、B.Configure threadTwo to run at a higher priority.
C、C.Use a WaitCallback delegate to synchronize the threads.
D、D.Call the Sleep method of threadOne.
E、E.Call the SpinLock method of threadOne.
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