Shoot it on your phone and get a free editing app or if you have an iPhone use iMovie
The answer is C, because modeling is using pliable material that you can form with your hands, like clay. This is definitely not clay so it isn't modeling.
It is D because that is the only one that makes since
This may help a littlbit
http://www.answers.com/Q/Juan_Atkins_gave_the_name_techno_to_a_futuristic_variation_on_house_music_developed_by_which_musician_or_group