Several students are competing in a series of three races. A student earns 5 points for winning a race, 3 point.s for finishing second and 1 point for finishing third. There are no ties. What is the smallest number of points that a student must earn in the three races to be guaranteed of earning more points than any other student?
Answer Choices
A. 9
B. 10
C. 11
D. 13
E. 15