Answer: B.) INTROJECTION
Explanation: The principle of INTROJECTION could be explained as act of willful adoption of other people's ideas. In the context above, Maggie isn't being forced by the teacher to do her assignment which could have been seen as projection, but Maggie does her assignment willfully without being forced because of the alignment she feels for her teacher. The principle of INTROJECTION usually result in the development t of internalized motivation due to the observation and alignment being developed with an external authority, In the context above, the external authority is Maggie's teacher.