We Now Know That People in Medieval Europe Had a High

Multiple Choice

We now know that people in medieval Europe had a high degree of literacy and appreciation for works of classic literature. In writings by medieval monks, it is clear that the monks were well read in classic Greek and Latin literature and prolific in producing their own literary works. We therefore need to rethink the idea that most people in medieval Europe were not well educated.
The argument's reasoning is most vulnerable to criticism on the grounds that it

A) Fails to devise what constitutes a high degree of literacy.
B) Overlooks the achievement in other areas, such as math or science.
C) Relies on an unrepresentative sample.
D) Takes correlation as evidence of causation.
E) Fails to define what constitutes prolific production of literature.