【单项选择题】
int index = 1； <br /> String [] test = new String[3]； <br /> String foo = test[index]；    <br /> What is the result？（）  <p> int index = 1； <br /> String [] test = new String[3]； <br /> String foo = test[index]；    <br /> What is the result？（）  </p>
A、A. Foo has the value “”
B、B. Foo has the value null
C、C. An exception is thrown
D、D. The code will not compile
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