Once a repetition statement is chosen, the other ____ elements of a loop are generally controlled by a single loop-control variable.

The two primary stack operations are

a. push and pull b. push and pop c. insert and delete d. append and delete e. None of these

In C#, Java, and Objective-C, what is the greatest number of subclasses a class can have?

A. Depends on the language B. 0 C. 1 D. More than 1