void start() {       
A a = n

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Choose the correct option.

void start() {       
A a = new A();
B b = new B();
a.s(b);
b = null; /* Line 5 */
a = null; /* Line 6 */
System.out.println("start completed"); /* Line 7 */
}

 

A. after line 5
B. after line 6
C. after line 7
D. There is no way to be absolutely certain.