?When setting the transition timing, it must be ensured that the speed of the transition is constant.

What is the purpose of the protected access specifier?

A. Protected is the same as private. B. Protected is the same as public. C. It allows members to be inherited in derived classes. D. A and B.

Which variables and functions will be inherited by the child class?

A. public and protected functions only, including constructors. B. public variables only. C. protected functions and variables. D. protected and public functions and variables, but not constructors.