When Mars Is Located Directly Behind Earth with Respect to the Sun

Multiple Choice

When Mars is located directly behind Earth with respect to the Sun in its orbit, it is

A) at the midpoint in the sky between east and west at sunset.
B) at the midpoint in the sky between east and west at midnight.
C) at the midpoint in the sky between east and west at sunrise.
D) at the midpoint in the sky between east and west at noon.
E) not visible in the night sky.