If we have declared an array described below int arr[6]; then which of the following array element is considered as last array element ?

If we have declared an array described below int arr[6]; then which

1.	If we have declared an array described below int arr[6]; then which of the following array element is considered as last array element ?
A.	arr[6]
B.	arr[4]
C.	arr[0]
D.	arr[5]
Answer» E.