Which statement about the relatedness of organisms is true?

A) Organisms living now cannot be related to extinct organisms that died out thousands of years ago
B) Because they are physically separated, two organisms living in completely different parts of the world cannot be related
C) For organisms to be related to one another, they must share similar physical traits
D) A relationship exists between any two organisms because they share a common ancestor
E) All animals are related to one another but do not share a relationship with other living things, such as plants or bacteria