Which of the Following Statements About Various Stages of Core

Multiple Choice

Which of the following statements about various stages of core nuclear burning (hydrogen,helium,carbon,etc. ) in a high-mass star is not true?

A) As each stage ends,the core shrinks and heats further.
B) Each successive stage creates an element with a higher atomic number and atomic mass number.
C) As each stage ends,the reactions that occurred in previous stages continue in shells around the core.
D) Each successive stage lasts for approximately the same amount of time.