GMAT Critical Reasoning (CR) | Re: Sania: The newest workers in the workforce are the most

Sania: The newest workers in the workforce are the most effective digital marketing employees because they are more likely to use social networking websites and toolsthemselves.

Carlos: But effective digital marketing also requires very technical expertise, such as search engine optimization, that isbest learned on the job via prolonged exposure and instruction.

Carlos responds to Sania by

(A) demonstrating that Sania's conclusion is based upon evidence that is not relevant to the given situation
(B)