Which two statements are true if a NullPointerException is thrown on line 3 of class C？（） 
- A、The application will crash.
- B、The code on line 29 will be executed.
- C、The code on line 5 of class A will execute.
- D、The code on line 5 of class B will execute.
- E、The exception will be propagated back to line 27.
正确答案:B,E
答案解析:有
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