What causes the stars in space to absorb and scatter starlight that resulting in a reduction in their brightness...? Mcqs

What causes the stars in space to absorb and scatter starlight that resulting in a reduction in their brightness...?

(A) Planets and Moons

(B) Asteroids and Comets

(C) Black Holes and Neutron Stars

(D) Dust and Gas

Source: This question is taken from the Everyday Science