In Mempa V

In Mempa v. Rhay the U.S. Supreme Court ruled which of the following in regards to probation?

A) Probationers were entitled to an attorney during the probation revocation process
B) Probations were not entitled to an attorney during the probation revocation process.
C) Probations were entitled to an attorney during the probation revocation process only if the potential outcome was incarceration.
D) Probations were entitled to a hearing before and uninterested party for the probation revocation process.