c# generics - need help

Question

For the example on the code below, which of the following statements are true?

public class MyContainer<T> where T: class, IComparable

{

//Insert code here

}

I. MyContainer class demands that the generic parameter implements IComparable interface.

II. The compiler will report an error for that code block.-False

III. There are multiple constraints on MyContainer generic parameter definition. -True

IV. MyContainer class demands that the generic parameter is of reference type and also implements the IComparable interface. - True

a) I and II only

b) I, III and IV only

c) II and III only

d) All above

e) None of the above