Which Statement Is the Most Accurate Reflection of How Research

Which statement is the most accurate reflection of how research has described the relationship between conscientiousness and job performance?

A) The higher your level of conscientiousness, the better your performance is likely to be.
B) There is an inverse relationship between conscientiousness levels and job performance.
C) Those with lower levels of conscientiousness outperformed people with both high and extreme levels of that trait.
D) Those with low or extreme levels of conscientiousness do not perform as well as those with high levels of that trait.