Step 1: Understanding the Concept
Human evolution passed through Dryopithecus, Ramapithecus, Australopithecus, Homo habilis and Homo erectus.
Step 2: Identify the link
Dryopithecus was ape-like, while Homo habilis was the first human-like one.
Australopithecus stands between them as the connecting link.
Step 3: Conclusion
The answer is Australopithecus.
Final Answer:
Australopithecus is the connecting link between ape and man.
\[ \boxed{\text{(C) }\text{Australopithecus}} \]