All of the Following Statements Are Consistent with Photopheresis Except

All of the following statements are consistent with photopheresis except:

A) the patient is given an oral dose of psoralen, which binds to the DNA of all nucleated cells.
B) collected white blood cells are exposed to ultraviolet light, which activates psoralen, preventing replication.
C) the patient is given an oral dose of piroxicam, which binds to the RNA of all nucleated cells.
D) treated cells are returned to the patient, inducing an immune response against the abnormal lymphocyte clone.