单选题：Which of the following statement is true ?
Which of the following statement is true ?@[D](1)
A. Sometimes multithreading does not provide better performance than a single-threaded solution
B. Sometimes multithreading does the same performance as a single-threaded solution
C. Sometimes multithreading provides better performance than a single-threaded solution
D. All the above are true
A.Sometimes multithreading does not provide better performance than a single-threaded solution
B.Sometimes multithreading does the same performance as a single-threaded solution
C.Sometimes multithreading provides better performance than a single-threaded solution
D.All the above are true
答案：D
A. Sometimes multithreading does not provide better performance than a single-threaded solution
B. Sometimes multithreading does the same performance as a single-threaded solution
C. Sometimes multithreading provides better performance than a single-threaded solution
D. All the above are true
A.Sometimes multithreading does not provide better performance than a single-threaded solution
B.Sometimes multithreading does the same performance as a single-threaded solution
C.Sometimes multithreading provides better performance than a single-threaded solution
D.All the above are true
答案：D