GMAT Critical Reasoning (CR) | An instructor presented two paintings to a class. She said that the f

The paintings were presented to two mutually exclusive class of students. Therefore, it is not necessary for any of the students to have been affected by what was told regarding the history of the paintings and they could have chosen what really appealed to them? Doesn't this rule out option D? I chose option A, which does seem to be somewhat supported by the argument.

---