Answer :
I believe the answer is E;
Excitatory neurotransmitters make it more likely that a neuron will send its message to other neurons, whereas inhibitory neurotransmitters make it less likely that a neuron will send its message.
Excitatory neurotransmitters make it more likely that a neuron will send its message to other neurons, whereas inhibitory neurotransmitters make it less likely that a neuron will send its message.