As part of an investigation of the population of foxes on San Miguel Island, a scientist graphed the number of foxes present on the island over a span of 15 years, as shown below. The study began with year 0 and ran until the start of year 15. According to the graph, during which year did an event reduce the carrying capacity of the area? A. year 3 A. year 3 B. year 6 B. year 6 C. year 10 C. year 10 D. year 11 D. year 11