Ayden is writing a program which will model the number of passengers travelling on trains between different stations on a subway line. Which of the following factors will not be important to include in the model when writing this program?

Which of the following statements is false? a. a class can directly inherit from class object. b. if the class you're inheriting from declares instance variables as private, the inherited class can access those instance variables directly. c. a class's instance variables are normally declared private to enforce good software engineering. d. it's often much more efficient to create a class by inheriting from a similar class than to create the class by writing every line of code the new class requires.