IGOR: Tell me if I've got this right: Your point is that
vegetarianism is good for humanity's longevity because
the bulk of the grain crops in the world are grown to feed
livestock?
FATIMA: Yep, that's right.
Which option best describes what Igor is doing in this discussion?
A. Assessing a partner's claims
B. Supporting a claim with evidence
C. Asking a clarifying question
D. Challenging established ideas