You are creating a class that performs complex financial calculations. The class contains a method named GetCurrentRate that retrieves the current interest rate and a variable named currRate that stores the current interest rate.You write serialized representations of the class.You need to write a code segment that updates the currRate variable with the current interest rate when an instance of the class is deserialized.  Which code segment should you use？（）

• A、A
• B、B
• C、C
• D、D