Which statement about the pass-by-reference is NOT true? O a. 'this' reference always refer to the object self. O b. In the pass-by-reference, only one object exists in the computer memory but are referred by more than one references. O c. The pass-by-reference is only used for reference variables. O d. If a method uses the reference variable as the argument, the method can return void. O e. Every time you pass a reference variable to a method, you also pass the object referred by the refenerece variable to the method. Which statement about the pass-by-reference is NOT true? O a. 'this' reference always refer to the object self. O b. In the pass-by-reference, only one object exists in the computer memory but are referred by more than one references. O c. The pass-by-reference is only used for reference variables. O d. If a method uses the reference variable as the argument, the method can return void. O e. Every time you pass a reference variable to a method, you also pass the object referred by the refenerece variable to the method.