Answer: first one. it is not a legitimate goal to see if a teacher is utilizing modern technology. modern tech does not define the teaching capabilities (or lack thereof) of a teacher.
C. Students should choose a college based solely on the rigorousness of its academic programs. While the rest are “facts” that could be considered somewhat impartial, the third option is an argumentative claim that would have to be backed with evidence to support it.
By putting it as a matter-of-fact statement (assuming everything else was action packed) there is a massive shift that creates contrast in the piece and leaves a very concise point to shock/leave the reader with.