How does the OData Model handle XSRF tokens?

How does the OData Model handle XSRF tokens?
A . The OData Model fetches the token when reading the metadata and sends the token automatically in each write request header.
B . The OData Model does not handle XSRF-tokens. The developer must implement token handling.
C . The OData Model fetches the token for each request and sends the token automatically with each request.

Answer: A