问题是什么意思

问题如下：

To increase earnings, Lyra Star Advisers it targets a higher mandate penetration rate. Most clients come through referrals. Lyra Star thanks referrers with 20% of the new client's first-year revenue.For talent, it knows top investors are crucial. So, equity participation is included in the benefits, helping draw in the best in the industry.

Why Lyra Star's referral payment isn't retrocession or payment for order flow?

选项：

A.Retrocession is bribes to regulators, payment for order flow is for advertising. It's for referral, so neither.

B.Retrocession is for mutual fund promo, Lyra Star isn't a mutual fund co.; payment for order flow is for trade order routing. It's for referral.

C.Retrocession is a tax on transactions, payment for order flow is for software upgrades. It's for referral, so not those.

解释：

A is Wrong. Retrocession isn't bribes, payment for order flow isn't advertising services.B is Right. Retrocession is for mutual fund promoting, Lyra Star isn't in that business. Payment for order flow is for trade routing, not referrals.C is Wrong. Retrocession isn't a tax, payment for order flow isn't for software.