How si an ordinary $($NOT dynamically allocated$)$ two$-$dimensional array stored ni C$/$C$++?$

A$.$ Column by column, with each column stored together as a unit, but not necessarily next to the other columns.

B$.$

Column$-$wise, with al of the first column followed by al of the second column, then al of the third column, etc.

$5.$

$7.$

$$ C$.$

Row by row, with each row stored together as a unit, but not necessarily next to the other rows.

Row$-$wise, with al of the first row followed by al of the second row, then al of the third row, etc.

E$.$

Undetermined. That decision si left to the compiler, and ti may or may not be the same for all arrays even in the same program.