1. class Test {  2. private Demo d；  3. void start（） {  4. d = new Demo（）；  5. this.takeDemo（d）； 6. }  7.   8. void takeDemo（Demo demo） {  9. demo = null；  10. demo = new Demo（）； 11. }  12. }  When is the Demo object， created on line 3， eligible for garbage collection？（）  

• A、 After line 5.
• B、 After line 9.
• C、 After the start（） method completes.
• D、 When the takeDemo（） method completes.
• E、 When the instance running this code is made eligible for garbage collection.