You work as an application developer at Certkiller .com. Certkiller .com has given you the task of creating medical billing application that will deal with various insurance vendors.The appropriate assemblies have to be loaded and unloaded dynamically based on the patient’s insurance provider. All of these insurance assemblies are located in C:///Insurance Assemblies.  You have to ensure that when the new application first loads， it has to load allassemblies into a separate application domain. You need to create the child application domain and load all assemblies it using the correct code. What should you do？（）

• A、A
• B、B
• C、C
• D、D