The answer is "Slide Sorter view". Some of the online courses say that all words must be spelled correctly and in the correct order, so if you don't have exactly what they want they will mark it as "wrong".
It would be A because B could be answered best with a poll graph, C with a pie graph, and D with a bar graph. Line graphs typically show speed and rate so A makes the most sense, but you are still able to do the other questions on a line graph.
The answer is C) tablet. You use the touch screen keyboard for that.