Well, the 17 is the y-intercept which is a "one" - time thing such as a fee. Also, it is where the line cuts the y axis so when X is 0, y will be 17 in this case. The ONLY one that states something similar to the above is A. There were no accidents per month when there were 17 drivers in the program.
The word "no" is a 0 when there were 17.