A Star with the Mass of Our Sun Will Go

A star with the mass of our Sun will go through several stages of energy generation through fusion. Which sequence accurately describes these stages in the correct order?

A) hydrogen core → hydrogen shell → helium shell → helium core
B) hydrogen core → helium core → hydrogen shell → helium shell
C) hydrogen core → hydrogen shell → helium core → helium shell → carbon core
D) hydrogen core → hydrogen shell → helium core → helium shell
E) hydrogen shell → hydrogen core → helium shell → helium core