Paragraph 4___________
A.The Motivation of Flaxseed Study
B.The Study on Ginseng Displays Its Good Promise
C.The Doctors’ Responsibility Led Them to Carry Out These Two Studies
D.Ginseng Is As Good to Cancer Patients As Flax-seed
E.The Methods and Results of the Study on Flax-seed
F. A Different Opinion on the Use of Flax-seed