I missed it but later realized that OA is (A). However, is (B) a weak option? Or is it completely out of scope?
Its relevent to the material, but out of scope for this argument.
When in doubt always refer to the conclusion.
"the dean of the school pointed to this recent success in placing students: 65 percent of its graduates went on to internships or jobs in print or broadcast journalism."
This is the conclusion or claim in this case. It is a fact that the dean said this, but the dean claims, by using these facts, to discredit the assertion against his college.
So pay attention to this part.