Raise capital mainly from high net-worth individuals, and they are generally privately held

The answer to this question is hedge-fund. In hedge-fun, the capital owner isn't involved in determining to which companies the money will be invested into. All hedge-funes usually appoint one hedge-fund manager that will be responsible in calculating all the risk and opportunities from potential investment and use the accumulated capital to buy ownership.

Your not allowed to ask their age, only if they're above 18, you cannot ask if they have ever been arrested, convicted, or spent time in jail prior to employment (you can however ask a question like "perhaps this job required security clearance, would you be able to attain it? "). you also cannot ask the severity or nature of any disabilities they have but similar to criminal record can ask if they are able to preform the job safely. in addition to this, you can ask *after* an interview if they're married for insurance reasons. so it appears to be c and d, but if you can only chose one it would probably be b.