C because you can’t graduate at 4 or 14 and if your kid is graduating when you’re 24 then that means you have birth at 7 years old which isn’t possible.
A good website to learn coding is called Lynda.com. It costs money but its well worth it!
The name of the top-level parentless folder in a digital file system is ROOT.
The digital file system has a tree structure in which there is only one parentless folder(the root folder). The root folder has several subfolders, Each of these subfolders has seveal sub-subfolders and so on.
The root folder is the parent of all subfolders.