Hello ^^<br/><br/>I am wondering what is the difference between "What + S + be" and "Who + S + be"<br/><br/>Question :<br/><br/>All of the company's executives, no matter <i>______</i> they were or what position they held, came under investigation due to the tax scandal.<br/><br/>(a) Who<br/><br/>(b) What<br/><br/>The answer is (a)<br/><br/>Is there any difference?<br/><br/>Please share me with your wisdom. T.T