Most medications to used to reduce positive symptoms of schizophrenia act as
__________________ while more recent developed medications focusing on negative symptoms
have been devised to primarily work as _____________________

A. Glutamate antagonists; dopamine agonists
B. GABA antagonists; serotonin agonists
C. dopamine antagonists; glutamate agonists
D. dopamine agonists; serotonin antagonists
E. Glutamate agonists; dopamine agonists