Which Statement by a Family Member of a Patient Diagnosed

Which statement by a family member of a patient diagnosed with AD demonstrates that medication education was effective? "The medication my parent is receiving:

A) affects glutamate receptors and will stabilize late-stage dementia."
B) inhibits the action of dopamine and will restore short-term memory."
C) offers no positive effects on performance of activities of daily living."
D) inhibits breakdown of an important neurotransmitter and may slow disease progression."