Question: Given a base class, class A, containing data and functions, and derived classes, class B and class C, suppose we wish to include a function

Given a base class, class A, containing data and functions, and derived classes, class B and class C, suppose we wish to include a function in the base class, class A, called double fun(). It is of no use in the base class, but is intended to be utilized by all class B and C objects. Which of the following statements are true? (2 points)

A.We can include a pure virtual function prototype, virtual double fun(); in class A.

B.If we include a virtual function in class A, as shown above, class A is now an abstract class.

C.We include the function definitions in classes B and C, or outside them, but using the scope resolution operator.

D.All of the above are true

E.None of the above are true

Answer: _____________

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