${?}_{{?}_{{?}_{?}}{?}_{{?}_{?}}{?}_{{?}_{?}}{?}_{{?}_{?}}{?}_{{?}_{?}}{?}_{{?}_{?}}{?}_{a}id(s),\text{c}\text{o}\text{u}\text{n}\text{s}\text{e}\text{l}(s),\text{a}\text{s}\text{s}\text{i}\text{s}\text{t}(s),\text{a}\text{n}\text{d}\text{p}\text{r}\text{o}\text{t}\text{e}\text{c}\text{t}(s)\text{t}\text{h}\text{e}\text{i}\text{n}\text{t}\text{e}\text{r}\text{e}\text{s}\text{t}\text{s}of\text{s}\text{m}\text{a}\text{l}\text{l}business\text{c}\text{o}\text{n}\text{c}\text{e}\text{r}\text{n}\text{s}\text{.}}$

${?}_{{?}_{?}}{?}_{{?}_{?}}{?}_{{?}_{?}}{?}_{{?}_{?}}{?}_{{?}_{?}}{?}_{{?}_{?}}{?}_{{?}_{?}}$ aid$(s),$ counsel$(s),$ assist$(s),$ and protect$(s)$ the interests $of$ small business concerns.

$A.$ Stakeholders

$B.$ Fortune $500$ companies

$C.$ The $U.S.$ Small Business Administration

$D.$ medium$-$sized companies