What is ? A. The opening tag for an HTML document

B. The closing tag for a heading

C. The closing tag for an HTML document

D. The opening tag for the first heading

What program is this in?

In windows explorer, select the file, folder, or groups of files and folders you'd like to copy. you can select multiple files or folders in several ways: click the first file or folder you want to select, hold down the ctrl key, and then click each additional file or folder you want.