Answer:
Dwarfs D Dead stars that shine with the last of their thermal energy
Giants A Very bright, massive stars with relatively low temperatures
Main sequence stars C Stars in the main part of their life cycle
Super giants B Very bright, extremely massive stars with varying temperatures
Explanation:
Sun is an example of the main sequence star. The star stops contracting during this stage and will be releasing its energy for about 10 billion years. Dwarf stage is the stage which is close to the end of the life of a star.
Giants shine with decreasing brightness and are at low temperatures Supergiants are very massive and at the same time they are very luminous , having a varying temperature range.