【单选题】What does Dr. Jon Richards mean when he says 'It will be an equal partner with the other three treatments in the next five to ten years' ?
A.
Within a decade, immune therapy will replace the other treatments.
B.
In the near future, immune therapy will prove to be a better treatment.
C.
For some time, immune therapy will not be the only treatment for the desired effect.
D.
Within the next five to ten years, immune therapy will only be the main treatment for cancer.