What Statement Regarding the Vpxa Process Is Accurate

What statement regarding the vpxa process is accurate?

A) The vpxa process is responsible for managing most of the operations on the ESXi host.
B) The vpxa process controls access to the virtual machines and storage volumes on an ESXi host.
C) The vpxa process serves as an intermediary between the vpxd process and the hostd process.
D) The vpxa process communicates commands from the vSphere client to the hostd process.