In the following conversation, which group discussion technique does han most clearly show?

C. Conducting extra research

Explanation:

The group discussion technique that Han most clearly show in the above excerpt is "conducting extra research".

From the excerpt, we discover that Han said "I also found this article...". This reveals that he has an extra evidence aside the one he might have given or stated. The paper he brought out from his pocket was a research he made which he presented as an evidence to buttress his point.

So, what he showed is similar to conducting extra research.

the answer is decimated

the answer should be:

the intervention of the supernatural gives gilgamesh hope that he will defeat humbaba.