Functions are ideal for use in menu-driven programs. when a user selects a menu item, the program the appropriate
a call
b prototype
c define
d counter
e none of these

a. call

Explanation:

According to my research on function, I can say that based on the information provided within the question the program can call the appropriate function. A function is a piece of code that completes a single task when called upon. Calling is another way of just saying that your telling the function to run its code at that given moment.

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it can either be 2. or 4. : ) tell me if i'm wrong or right