The Evolutionary History of the Protists Remains Unresolved,but It Is

The evolutionary history of the protists remains unresolved,but it is being refined with the addition of DNA evidence.This is an example of how scientific

A) data may change our interpretation of an evolutionary tree without challenging our understanding of evolution.
B) data proves that a hypothesis regarding an evolutionary tree is true.
C) evidence proves that the theory of evolution is wrong.
D) evidence proves that the Protista did not share the same universal ancestor as the rest of the living organisms on Earth.