In PHP, if $a represents an array with numeric indices, how is the first element accessed?

In PHP, if $a represents an array with numeric indices, how is the fir

1.	In PHP, if $a represents an array with numeric indices, how is the first element accessed?
A.	$a[1].
B.	$a[0].
C.	$a.1
D.	$a.0
Answer» C. $a.1