You need to create a class definition that is interoperable along with COM. You need to ensure that COM applications can create instances of the class and can call the GetAddress method. Which code segment should you use?

You need to create a class definition that is interoperable along with COM. You need to ensure
that COM applications can create instances of the class and can call the GetAddress method.
Which code segment should you use?

A. public class Customer {
    string addressString;    public Customer(string address) { addressString = address; }
    public string GetAddress() { return addressString; }}
B. public class Customer {
    static string addressString;
    public Customer() { }
    public static string GetAddress() { return addressString; }}
C. public class Customer {
    string addressString;
    public Customer() { }
    public string GetAddress() { return addressString; }}
D. public class Customer {
    string addressString;
    public Customer() { }
    internal string GetAddress() { return addressString; }}
 
Answer: C