which object is created during the formation of a star?\no a nebula\no a protostar\no a supergiant\no a…

which object is created during the formation of a star?\no a nebula\no a protostar\no a supergiant\no a supernova
Answer
Brief Explanations:
Stars form from the gravitational collapse of a nebula. During the early - stage of star - formation, a protostar is created as the material in the nebula starts to coalesce under gravity. A supergiant is a late - stage massive star, and a supernova is an explosion at the end of a massive star's life.
Answer:
B. a protostar