1. Which of the following statement(s) is (are) true? (A) An abstract data type (ADT) is a data type that is organized in a way that specifications of the objects and the associated operations are separated from the representation of the objects and implementation of the operations. (B) Data encapsulation makes modifications of program much easier. (C) Software development time and money can be saved if template is used in a program. (D) A derived class inherits all the non-private members (data and functions) of the base class including constructor and destructor