Consider the following code snippet. The final output for the shift() is namespace McqsMentorConsoleApplication var a = []; a.unshift(1); a.unshift(22); a.shift(); a.unshift(3,[4,5]); a.shift(); a.shift(); a.shift();

• A. 1
• B. [4,5]
• C. [3,4,5]
• D. Exception is thrown