You are planning to store some custom configuration settings in a SharePoint 2010 farm. A set of key-value pairs
must be saved and retrieved for several sub sites within a web application. You need to ensure that the key-value
settings are stored for each sub site.
Which approach should you recommend?

A.
Declaratively store the values in the web.config file for the web application.

B.
Declaratively store the values in a custom list in the site collection that contains the sub sites.

C.
Programmatically store the values in the property bag of the SPFile object.

D.
Programmatically store the values in the property bag of the SPWeb object.