If You Are a Member of the Public Utilities Commission,how

If you are a member of the Public Utilities Commission,how did you obtain your office?

A) Election by a state-wide vote
B) Appointment by the governor
C) Appointment by the Texas Supreme Court (because the PUC is a quasi-judicial entity)
D) Nomination by the Texas House with approval by the Texas Senate
E) Appointment by a non-partisan board created by the legislature in 1995