Given： 310-025 Leading the way in IT testing and certification tools， www.testking.com - 48 - public class foo { static String s； public static void main （Stringargs） { system.out.printIn （“s=” + s）； } } What is the result？（）
A . The code compiles and “s=” is printed.
B . The code compiles and “s=null” is printed.
C . The code does not compile because string s is not initialized.
D . The code does not compile because string s cannot be referenced.
E . The code compiles， but a NullPointerException is thrown when toString is called.
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