When you see the declaration statement num inventory$\_$by$\_$color and size $(8][4]$ in a program, you know that

a$.$ the elements of this array can be populated using statements such as inventory$\_$by$\_$color and size $(01=332$

$$ b$.$ inventory$\_$by$\_$color and$\_$ size is a single$-$dimensional array

$$ c$.$ three subscripts are required to access the elements of inventory$\_$by$\_$color and$\_$size

$$ d$.$ inventory$\_$by$\_$color and$\_$ gize is a two$-$dimensional array