Step 1: Identify the Author's Assumptions. Step 2: Identify the. Types of Support. Step 3: Determine the Relevance of the Support. Step 4: Determine the Author's Objectivity. Step 5: Determine the Argument's Completeness. Step 6: Determine if the Argument Is Valid. Step 7: Decide if the Argument Is Credible.
It wouldn't be d nor would it be a so that would leave b and c but i personally think it would be c because authors explain something to prove something to you