For description of the relationship between corporate culture and risk culture, which item below is most appropriate?
选项：

A: Corporate culture is an element of corporate’s risk culture.
B: Corporate culture is subculture to ensure balance between the need for integration and the opportunity for differentiation of these two perspectives.
C: Risk culture is kind of norms and behavior related to how individual identify, understand, discuss and act concerning the risks.
D: Corporate culture could be seen as a subculture with a central role in financial institutions.