computer science C++

Which of the following operators cannot he overloaded? A. *, the multiplication operator B. >>, the input operator C)::, the scope resolution operator D) All of the above can be overloaded. The number of children that a node in a binary tree may have is: A. 0 B. 1 C. 2 D. A node in a binary tree may have between 0 to 2 children. When printing a binary tree using a pre order traversal the first node to be printed is: A. The root node B. The leftmost leaf node C. The rightmost leaf node D. None of the above. When printing a binary tree using a in order traversal the first node to be printed is; The root node The leftmost leaf node The rightmost leaf node None of the above. To write a friend function you include the keyword friend in both the function prototype and the function header. True False Inheritence is the term for defining a new class based on an existing class by adding data or operations or overloading existing operations in the class. True False The keyword protected when used in the definition of a class means that the data members and methods declared to be protected is only available the class itself and any of its derived classes. True False A friend function is a member function. True False Overloading operators allows tine programmer to redefine the behavior of existing operators to work with programmer-designed types. True False