Which of the Following Is a Difference Between a Living

Which of the following is a difference between a living language and a dead language?

A) Latin is an example of a living language, whereas Sanskrit is an example of a dead language.
B) A living language is one spoken by a native population somewhere, whereas a dead language is no longer native anywhere.
C) Only 15 living languages are spoken throughout the world, whereas at least 7,102 dead languages are spoken throughout the world.
D) A living language is one that is spoken by at least one person, whereas a dead language is one that is not spoken by anyone.