The spread of Avian flu from animals to humans has been welldocumented, but less understood is the mechanism by which it is spread from one bird species to another. In order to avoid a worldwide epidemic of Avian flu, scientists must make that study a first priority. To solely tackle the human dimension of this possible pandemic is to miss half of the problem: its spread from one hemisphere to another.

The bolded phrase plays which of the following roles in the argument above?


(A) The bolded phrase states a premise of the argument.

(B) The bolded phrase contradicts the author’s main point.

(C) The bolded phrase makes a statement that the author is about to contradict.

(D) The bolded phrase states the author’s conclusion.

(E) The bolded phrase states an assumption the author is making.


OA D

Source: Princeton Review