If you do not overload an = operator for a class ___________ . a. C++ provides you with a built-in version b. you must write a regular member function to copy one object to another c. you cannot use...

If you do not overload an = operator for a class ___________ .

a. C++ provides you with a built-in version

b. you must write a regular member function to copy one object to another

c. you cannot use the class’s objects in mathematical expressions

d. you cannot use = with the class’s objects