ClassOne.java  1. package com.abc.pkg1；  2. public class ClassOne {  3. private char var = ‘a’；   4. char getVar（）  {return var；}  5. }  ClassTest.java    1. package com.abc.pkg2；  2. import com.abc.pkg1.ClassOne；  3. public class ClassTest extends ClassOne {  4.   public static void main（String[]args）  {  5.     char a = new ClassOne（）.getVar（）；  6.     char b = new ClassTest（）.getVar（）；   7.   }  8. }      What is the result？（）  

• A、 Compilation will fail.
• B、 Compilation succeeds and no exceptions are thrown.
• C、 Compilation succeeds but an exception is thrown at line 5 in ClassTest.java.
• D、 Compilation succeeds but an exception is thrown at line 6 in ClassTest.java.