Task: Question Answering
Input (English): Question: Each factor of 240 is inscribed on its own plastic ball, and all of the balls are placed in a jar. If a ball is randomly selected from the jar, what is the probability that the ball is inscribed with a multiple of 15?

 Option A: 1/16

 Option B: 5/42

 Option C: 1/8

 Option D: 3/16

 Option E: 1/4
Output (English): Option E