[单选题]A customer stores environmental settings in the de

AKeep environmental data in the global settings of domain and the application can read it from the domain where it runs.

BKeep environmental data in Deployment Plan XML files. It allows you to change parameters in the deployment descriptor without opening the archive file.

CKeep environmental data in the database because it is the most effective way of parametrizing the environment.  

DKeep archive in exploded format so the customer does not have to open the archive files.

EEliminate all environmental settings from the application. There should not to be any environmental settings in the application.