Trustees are typically compensated by the bond issuers for their services. This is because the bond issuer is the entity that benefits from the services of the trustee. The trustee acts as a representative of the bondholders, ensuring that the bond issuer fulfills its obligations as outlined in the bond indenture. The trustee's role is to protect the interests of the bondholders, and they are compensated by the bond issuer for this service. It's important to note that while the trustee represents the interests of the bondholders, they do not receive fees from the bondholders themselves. The fees are paid by the bond issuer as part of the agreement when the bonds are issued.

Choice A is incorrect. Trustees do not typically receive fees from governments. While governments may issue bonds, the trustee's role is to represent the interests of bondholders and they are compensated by the bond issuers, not the government directly.

Choice C is incorrect. Although trustees represent the interests of bondholders, they do not receive their fees from them. The bond issuer pays for these services as part of their obligation to protect and manage the rights of bondholders.

Choice D is incorrect. Trustees do not work independently in terms of compensation for their services. They are paid by the entity issuing bonds, which means they cannot operate without a relationship with a bond issuer.