John Was Recently Diagnosed with a Mild Case of Parkinson's

Multiple Choice

John was recently diagnosed with a mild case of Parkinson's disease.He tells his doctor that he wants a thalamotomy.Is this a reasonable request?

A) No. Removing the thalamus will cause his symptoms to worsen.
B) No. Recent research shows that the thalamus is not involved in the symptoms of Parkinson's disease.
C) No. The procedure is used only in severe cases and is appropriate only after other treatments have been used.
D) Yes. A thalamotomy is a common treatment for mild Parkinson's disease.