What is the main theme of this article?
A. That brand name drugs are better than generic drugs.
B. That generic drugs are better than brand name drugs.
C. That brand name drugs are different from generic drugs.
D. That there are only small differences between generic and brand name drugs.
E. That generic drugs will have a greater chance for side effects.
The article states while generic drugs and name brand drugs are similar in many ways there is still a small difference between the two.