DAY Is a Seven-Member One-Dimensional Array Which Item Below Can Be Used to Refer to the Follows

Multiple Choice

DAY is a seven-member one-dimensional array.Its contents are shown as follows:
$$\begin{array}{l}\begin{array} { | l | } \hline\text { Surday }\\\hline \text { Monday } \\\hline \text { Tuesday } \\\hline \text { Wedrasday } \\\hline \text { Thursday } \\\hline \text { Friday } \\\hline \text { Saturday } \\\hline\end{array}\end{array}$$
Which item below can be used to refer to the location containing "Friday"?

A) 6
B) DAY(6)
C) DAY
D) both a and b