What are the five basic layers for Linux?

Question $14$ options:

a$)$

Hardware, Hardware controller, The Kernel, Shells and Linux programs and Applications

b$)$

Hardware, Hardware controller, HFS$+,$ Shells and Linux programs and Applications

c$)$

Hardware, The Kernel, The Kernel controller, Shells and Linux programs and MFT

d$)$

Hardware, Software controller, The Colonel, Shells and Linux programs and Applications