(A) It is the main conclusion of the argument.
The bold face is not the main conclusion of the argument. It is an argument which the rest of the passage looks to oppose.

(B) It is a finding that the argument seeks to explain.
As stated above, it looks oppose it and not explain it.

(C) It is an explanation that the argument concludes is correct.
Incorrect. The hunter argues that tigers are also to blame.

(D) It provides evidence in support of the main conclusion of the argument.
It does not support the main conclusion of the argument.

(E) It introduces a judgment that the argument opposes.
Correct. It introduces that hunters are to be blamed, while the hunter then argues that it is not hunters alone who are to blame but tigers too.

Answer E

Hunter: Hunters alone are being blamed by many people over the past eight years for the decline in Alita National Forest’s reindeer population. Yet clearly, tigers have also played an important role in this decline. In the past eight years, tiger population has risen sharply under the forest department’s protection, and examination of tigers found dead in the forest during the reindeer hunting season showed that a number of them had recently fed on reindeer.

In the hunter’s argument, the portion in boldface plays which of the following roles?

(A) It is the main conclusion of the argument. : Incorrect. Hunter concludes that human beings are not ALONE responsible for the population decline but tigers have ALSO played an important role.
(B) It is a finding that the argument seeks to explain. : Incorrect :The boldface is not a finding.
(C) It is an explanation that the argument concludes is correct. Incorrect : The boldface is the opposite of what this option says.
(D) It provides evidence in support of the main conclusion of the argument. Incorrect : The boldface is something which the argument opposes.
(E) It introduces a judgment that the argument opposes. Correct.