What Is Meant by the Term "Proportional Pressure Support" on a Dräger

What is meant by the term "proportional pressure support" on a Dräger V500?

A) The level of pressure support is applied in proportion to the patient's breathing effort.
B) The level of pressure support is inversely proportional to the patient's inspiratory effort.
C) The level of pressure support is applied in proportion to the inspired tidal volume.
D) The level of pressure support is applied in proportion to the work of breathing.