Which of the following best defines a black hole?

Responses
A A hole in the spacetime continuum and the birthplace of new stars.A hole in the spacetime continuum and the birthplace of new stars.
B An abrupt explosion which releases extremely large amounts of gamma radiation.An abrupt explosion which releases extremely large amounts of gamma radiation.
C An area of extremely high gravity resulting from the collapse of a massive star.An area of extremely high gravity resulting from the collapse of a massive star.
D A section of space that has absolutely no gravitational pull which creates a hole in space.

C An area of extremely high gravity resulting from the collapse of a massive star.