All of the following are true about classes, except: Select one: O a. An object must be created from a class before it can be used b. Classes have attributes and behaviors O c. A class's functions hide from the user the complex tasks they perform O d. The first class in any C++ program is main A default constructor has how many parameters? Select one: O C. Variable number O d.o Which of the following assignments would be a compilation error? Select one: O a. Assigning the address of a derived-class object to a derived-class pointer O b. Assigning the address of a base-class object to a derived-class pointer O C. Assigning the address of a base-class object to a base-class pointer O d. Assigning the address of a derived-class object to a base-class pointer Which of the following is not a valid way to pass arguments to a function in C++ Select one: O a. By reference with pointer arguments O b. By value O c. By reference with reference arguments O d. By value with pointer arguments Suppose class A inherits from base class B. What is the order in which their constructors and destructors will be called when an object of class A is instantiated and then destroyed? Select one: a. B constructor, A constructor, B destructor, A destructor b. B constructor, A constructor, A destructor, B destructor, O G A constructor, B constructor, B destructor, A destructor Qd. A constructor, B constructor, A destructor, B destructor