Given a text T, and several options, according to the question posed in the text T to choose the most appropriate option from the options as the answer, please directly output the most appropriate option, do not need to output the explanation.

The complex nature of derivatives has led to:
Option A:reliable financial models of derivatives markets.
Option B:widespread trust in applying scientific principles to derivatives.
Option C:financial industry employment of mathematicians and physicists.

Answer: C