A Copy Constructor Must Receive Its Argument by Reference Because

question 11

Multiple Choice

A copy constructor must receive its argument by reference because:

• A) Otherwise the constructor will only make a copy of a pointer to an object.
• B) Otherwise infinite recursion occurs.
• C) The copy of the argument passed by value has function scope.
• D) The pointer needs to know the address of the original data, not a temporary copy of it.