Question

an authors main opinion in an argumentative text is the
○ appeal.
○ claim.
○ concession.
○ counterargument.

Explanation:

In an argumentative text, the author's main opinion is presented as a claim. An appeal is a persuasive strategy (like ethos, pathos, logos), a concession is acknowledging an opposing view, and a counterargument is an argument against an opposing view. So the main opinion is the claim.

Answer:

B. claim.