Which of the following represents the correct chronological order of human evolution from the earliest to the most recent?

• A
  $Australopithecus \to Ramapithecus \to Homo \ habilis \to Homo \ erectus$
• B
  $Ramapithecus \to Australopithecus \to Homo \ habilis \to Homo \ erectus$
• C
  $Ramapithecus \to Homo \ habilis \to Australopithecus \to Homo \ erectus$
• D
  $Australopithecus \to Homo \ habilis \to Ramapithecus \to Homo \ erectus$