问题：
[单选] You are creating a Windows Communication Foundation (WCF) service that implements operations in a RESTful manner. You need to add a delete operation. You implement the delete method as follows:void DeleteItems(string id);You need to configure WCF to call this method when the client calls the service with the HTTP DELETE operation. What should you do?（）
A . Add the WebInvoke(UriTemplate="/Items/{id}", Method="DELETE") attribute to the operation
B . Add the HttpDelete atribute to the operation
C . Replace the string parameter with a RemovedActivityAction parameter
D . Replace the return type with RemovedActivityAction.
