Why Does the Change in Cell Membrane Potential Occur So

Multiple Choice

Why does the change in cell membrane potential occur so quickly when an herbivore attacks a plant?

A) The response relies on chemicals that are already present in the plant.
B) The response relies on chemical signals,which are always rapid.
C) The response relies on an elicitor,which can be made quickly.
D) The membrane is the cell structure closest to the environment.
E) Both b and c