You are the administrator of your company network. And you are in charge of a SQL Server 2008 instance. Now you intent to deploy a third-party database application which uses stored procedures to the instance. And the stored procedures are created by using SQL CLR integration. You should perform a configuration on the application so that the EXTERNAL_ACCESS code can access security setting. You must make sure that when you deploy the database to the instance, there’s no loss of functionality. So what should you do first?

A.
You should replace the readwrite non-static fields in the code with static fields.

B.
You should replace read-only static fields in the code with readwrite static fields.

C.
You should identify whether the code meets the type-safety requirements by using the peverify.exe PEVerify tool.

D.
You should register the assembly on the server before deployment by using the regasm.exe assembly registration tool.