Light from a Stationary Spaceship Is Observed, Then the Spaceship

Multiple Choice

Light from a stationary spaceship is observed, then the spaceship moves directly away from the observer at high speed.As a result, the light seen by the observer has:

A) a higher frequency and a longer wavelength than before
B) a lower frequency and a shorter wavelength than before
C) a higher frequency and a shorter wavelength than before
D) a lower frequency and a longer wavelength than before
E) the same frequency and wavelength as before