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Read the following statements :  

Statement: 1. The power cable of a monitor should be properly fitted with the wall socket.

Statement: 2. The power cable of a CPU should be properly fitted with the wall socket.

Statement: 3. The power cable of keyboard and mouse should be properly connected with CPU.

Which one of the following is correct about the above statements?

A)  Statement 1 is true

B)  Statement 2 is true

C)  Statement 3 is true

D)  All are correct

E)  None of these