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单项选择题

1. public class Exception Test { 
2. class TestException extends Exception {} 
3. public void runTest() throws TestException {} 
4. public void test() /* Point X */ { 
5. runTest(); 
6. } 
7. } 
At Point X on line 4, which code is necessary to make the code compile?()  

A. No code is necessary.
B. throws Exception
C. catch ( Exception e )
D. throws RuntimeException
E. catch ( TestException e)

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