What Is the Key Difference Between the Process of Lost-Wax

What is the key difference between the process of lost-wax casting as practiced in ancient times and that same process today?

A) The lost-wax process did not exist in ancient times.
B) The modern method no longer uses wax.
C) There is no difference between the modern and the ancient method.
D) Today's sculptors do not use the lost-wax method.
E) Today, multiples can be created from the process.