A. Consider the class declaration below: public class A extends B implements C Which ones of the following statements are valid, and which ones are invalid? A var - new B() Valid or Invalid A var - new CO; Valid or Invalid B var -new AO; Valid or Invalid B var = new C(); Valid or Invalid C var -new AO; Valid or Invalid C var - new B(); Valid or Invalid B. An exception is checked if it is caught by a try/catch block. True or False C. Once an exception is caught, the application resumes from the point where the exception was thrown. True or False D. Adding elements to a BinarySearchTree in increasing order will produce a balanced tree True or False E. The depth of a balanced binary tree of size n is logo n True or False