【单项选择题】
ClassOne.java <br /> 1. package com.abc.pkg1； <br /> 2. public class ClassOne { <br /> 3. private char var = ‘a’；  <br /> 4. char getVar（）  {return var；} <br /> 5. } <br /> ClassTest.java   <br /> 1. package com.abc.pkg2； <br /> 2. import com.abc.pkg1.ClassOne； <br /> 3. public class ClassTest extends ClassOne { <br /> 4.   public static void main（String[]args）  { <br /> 5.     char a = new ClassOne（）.getVar（）； <br /> 6.     char b = new ClassTest（）.getVar（）；  <br /> 7.   } <br /> 8. }     <br /> What is the result？（）  <p> ClassOne.java <br /> 1. 
A、A. Compilation will fail.
B、B. Compilation succeeds and no exceptions are thrown.
C、C. Compilation succeeds but an exception is thrown at line 5 in ClassTest.java.
D、D. Compilation succeeds but an exception is thrown at line 6 in ClassTest.java.
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