What is the difference between an abstract class and an interface?

Select one$*$

A$.$ An interface contains no implementation of methods. An abstract class does contain code for methods.$*$

B$.$ An abstract class contains no implementation of methods. An interface does contain code for methods.$*$

C$.$ An abstract class is used only in the UML design document. An interface is the actual coded implementation.$*$

D$.$ An interface refers to the parameters passed into a class's methods. The abstract class is the list of properties associated with the class.