The Intensity of the Microwave Background Radiation, a Remnant of the Big

The intensity of the microwave background radiation, a remnant of the big bang:

A) is greatest in directions toward the center of the galaxy
B) is least in directions toward the center of the galaxy
C) is proportional to the reciprocal of the distance from us
D) is proportional to the square of the distance from us
E) is nearly the same in all directions