Which sentence is NOT related to Cinchona bark?
A.Cinchona bark was a widely used medical spice
B.It was thought to alleviate fevers because of its bitterness
C.It was not reasonable because there are lots of medicine that are far bitter than cinchona bark.
D.It were the most effective remedies for fever
E.Hahnemann experimented on himself in order to clarify the effacy of cinchona.
正确答案是D