Respuesta :
Answer:
A.
Explanation:
An object that is below its Schwarrzfield radius is a black hole. For our Sun its about 3 km.
Schwarzschild Radius is the point an object must be squeezed for it to be a black hole.
What is Schwarzschild Radius?
This is referred to the point in which the escape velocity becomes equal to the speed of light.
It is also the point an object must be squeezed for it to be a black hole thereby making option A the most appropriate choice.
Read more about Schwarzschild Radius here https://brainly.com/question/12993331