What Is the Relative Abundance of Mass in Stars,gas,and Dark

Multiple Choice

What is the relative abundance of mass in stars,gas,and dark matter within galaxy clusters?

A) 10 percent stars, 1 percent gas, 89 percent dark matter
B) 10 percent stars, 10 percent gas, 80 percent dark matter
C) 1 percent stars, 1 percent gas, 98 percent dark matter
D) 1 percent stars, 10 percent gas, 89 percent dark matter