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.

Effective risk governance in an enterprise provides guidance on all of the following except:
Option A:unacceptable risks.
Option B:worst losses that may be tolerated.
Option C:specific methods to mitigate risk for each subsidiary in the enterprise.

Answer: C