What is the output of this program? class Abc { public static void main(String[]args) { String[] elements = { "for", "tea", "too" }; String first = (elements.length > 0) ? elements[0]: null; } }

• A. Compilation error
• B. An exception is thrown at run time
• C. The variable first is set to null
• D. The variable first is set to elements[0].