All but One of the Following Relates to How Adults

All but one of the following relates to how adults learn. Which one?

A) Adults have learned to do what they are told to do, and therefore learn what they are told to learn.
B) Adults need to know why they should learn something and have a need to self-direct their learning.
C) Adults sense that it is time to learn when they experience a need to know or to be able to perform more satisfactorily.
D) Adults are preconditioned before entering a learning situation, which affects their responsiveness to the learning experience - relative to both the process and the content.