What Is the Implicit Premise in the Following Argument? I

Multiple Choice

What is the implicit premise in the following argument? I think Donna must be a good dancer, due to the fact that she is a mathematician.

A) Donna has had dance lessons.
B) All mathematicians have had dance lessons.
C) All mathematicians are good dancers.
D) People who are bad at math are bad at dancing.
E) Mathematicians do a lot of dancing.