Answer: B. challenging established ideas.
Explanation: In the given conversation, we can see that Han is asking a question about a published article, he is asking about whether or not the article was biased because the writer could only want to stir up a controversy to get money and fame. By asking that question Han is showing the group discussion technique of challenging established ideas, so the correct answer is option B.
What exactly do you mean by the question? Would you like me to tell you a character or what haha :D
A positive one!!!!!!!!!!!!
