The copy constructors can be used to

Correct Answer (Detailed Explanation is Below)

B. Copy an object so that it can be passed to a function

Detailed Explanation

A copy constructor is used to create a new object as a copy of an existing object.

In C++, a copy constructor is automatically called:

• When an object is passed to a function by value

• When an object is returned from a function

• When one object is initialized from another object