Is So- Called "Empty" Space Really Empty

Multiple Choice

Is so- called "empty" space really empty?

A) Yes, because conservation of energy forbids the spontaneous creation of matter or radiation.
B) Yes, because nothing exists other than particles and empty space.
C) No, because all space is filled with a physical substance known as "ether."
D) No, because of random quantum fluctuations.
E) No, because neutrinos are always present at every point in the universe.