Whose situation is an example of assessing MECHANICAL aptitude?

A. Ruthie does well during her audition but messes up her lines during the performance.

B. Paulie doesn't do well on the preschool entrance exam, so his parents decide to move.

C. None of the answers are correct.

D. As Sefina collects her engineering degree, her mother thinks back to when she was in high school and got an A+ in auto shop class.