What sentence represents the number of points in the problem below? A test is worth 60 points. Multiple-choice questions are worth 2 points, and short-answer questions are worth 5 points. If the test has 15 questions, how many multiple-choice questions are there? A. The number of multiple-choice question points times the number of short-answer question points is 60. B. The number of multiple choice question points plus the number of short-answer question points is 60. C. The number of multiple-choice question points minus the number of short-answer question points is 15. D. The number of multiple-choice question points plus the number of short-answer question points is 15.