Which relationship could be the one shown on the graph?

On a coordinate plane, a line goes through points (2, 19) and (4, 38).
A:
Misaki had 2 identical pencils that weighed a total of 19 grams, where x is the number of pencils and y is the total weight of the pencils.
b:
Misaki wrote 2.5 pages in 20 minutes, where x is the number of pages and y is the time in minutes.
c:
Misaki ate 5 cookies each with 65 calories, where x is the number of cookies and y is the total number of calories.
D:
Misaki spent 47.5 minutes working on 5 math problems, where x is the number of minutes and y is the number of math problems.