What Brain Center Has Neurons That Fire Mainly During Inspiration

Multiple Choice

What brain center has neurons that fire mainly during inspiration and have input to the spinal motor neurons that activate the diaphragm and inspiratory intercostal muscles?

A) The ventral respiratory group of the medulla oblongata
B) The pre-Bötzinger complex
C) The dorsal respiratory group of the medulla oblongata
D) The pneumotaxic center of the pons
E) The apneustic center of the pons