Science Question..... PLEASE HELP?

Question

Which of the following is the correct order of the components of the Milky Way galaxy, from outermost to innermost?
A. thick disk, thin disk, extreme disk, galactic halo, black hole
B. thin disk, extreme disk, thick disk, galactic halo, black hole
C. galactic halo, thick disk, thin disk, extreme disk, black hole
D. extreme disk, thick disk, thin disk, galactic halo, black hole
Please Help

Answer 1

Hi. I think 'C' is your answer, but only because the galactic halo surrounds just about everything else.