Among the relationships between Galen and Hippocratic, which one is NOT true?

A、Galen claimed that hippocrates held certain beliefs and took part in certain practices that hippocrates probably did not believe or take part in.
B、Galen gained authority by becoming an expert on hippocrates,
C、Galen added his own theories and practices to the hippocratic tradition
D、Galen considered hippocrates the expert
E、Galen described hippocrates as a “master physician” in part to elevate himself,