${?}_{{?}_i\text{n}\text{v}\text{o}\text{l}\text{v}\text{e}\text{s}\text{t}\text{h}\text{e}\text{u}\text{s}\text{e}of\text{a}\text{s}\text{u}\text{c}\text{c}\text{e}\text{s}\text{s}\text{f}\text{u}\text{l}\text{b}\text{r}\text{a}\text{n}\text{d}\text{n}\text{a}\text{m}\text{e}\text{f}\text{o}\text{r}\text{n}\text{e}\text{w}or\text{m}\text{o}\text{d}\text{i}\text{f}\text{i}\text{e}\text{d}\text{p}\text{r}\text{o}\text{d}\text{u}\text{c}\text{t}\text{s}in\text{a}\text{n}\text{e}\text{w}\text{c}\text{a}\text{t}\text{e}\text{g}\text{o}\text{r}\text{y}\text{.}}$

$A.$ A line extension

$B.$ Cannibalization

$C.$ A product line

$D.Co-$branding

$E.$ A brand extension