If Hubble Expansion Was Due to an Explosion Throwing Galaxies

Multiple Choice

If Hubble expansion was due to an explosion throwing galaxies into space, instead of space expanding everywhere, which of the following would be true?

A) The Hubble constant would be zero.
B) The universe would have a measurable center.
C) We would not measure a redshift for distant galaxies.
D) The rate of expansion could not change with time.
E) There would be no new star formation in the modern universe.