$1.$ Which is an invalid access for the array?

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int numList$[5]$;

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$($a$)$ numList$[0]$

$($b$)$ numList$[1]$

$($c$)$ numList$[2]$

$($d$)$ numList$[3]$

$($e$)$ numList$[4]$

$($f$)$ numList$[5]$

$($g$)$ None of the above.