You work in an international company which is named TXTWIN. And you’re in charge of the company network and use Microsoft BizTalk Server 2006 R2.
You have a Microsoft BizTalk Server 2006 R2 application named AppX which has hundreds of subscriptions and uses Publish/Subscribe messaging pattern. What should you do to retrieve a single list of all subscriptions for AppX?

A.
In the BizTalk administration console, you should open App1 and then you create a query where Value = Subscriptions.

B.
You should use the Microsoft.BizTalk.ExplorerOM namespace to create a script.
And enumerate the subscriptions by using a ForEach loop and the BtsApplication class.

C.
You should use the Microsoft.BizTalk.ExplorerOM namespace to create a script.
And enumerate the subscriptions by using a ForEach loop and the BtsCatalogExplorer class.

D.
In Microsoft Visual Studio, you should open BizTalk Explorer.
For each Send Port group, open the ports filters.
At last the port filter should be set to subscribe to the AppX subscriptions.

Explanation:
BURGOS: mnemo: "messaging pattern" = "query where Value ="