What will be the output of the following PHP code?

• A. Array([0]=>0 [1]=>1 [2]=>two [3]=>three [4]=>four [5]=>5)
• B. Array([2]=>two [3]=>three [4]=>four)
• C. Array([1]=> 1)
• D. Array([0]=>0 [1]=>1 [5]=>5)