In the following group discussion, which technique is Jonathan using to
strengthen his argument?
JONATHAN:
In the book, Madeline uses her assertiveness in a very
positive way
CURTIS:
Man, I think assertive people are just pushy.
JONATHAN
Let's look back at the dialogue in chapter 3. Madeline does
not appear to use a pushy tone, and the fact that the
teacher agrees with her supports the idea that Madeline
uses her assertiveness positively.

A. Synthesizing various ideas
B. Supporting ideas with evidence
C. Establishing a focus
D. Identifying bias