A system administrator is editing a configuration file in Vim. The system administrator finds it hard to view examples given in the file as they are at the top of the file, while the settings that need editing are near the bottom of the file. What Vim keystroke would call the application to split the screen into two horizontal windows?

A$.$Ctrl$+$w$,$ then v

B$.$Ctrl$+$w$,$ then h

C$.$Ctrl$+$w$,$ then w

D$.$Ctrl$+$w$,$ then s