From 2007 to 2010, the mink population stayed fairly consistent, but in 2010, the population dramatically decreased. Which of the following could describe what happened to the population of minks?

A. The mink population ran out of space to live so many died
B. A catastrophic event occurred like a disease or big natural disaster that quickly wiped out a large number of mink.
C. There were more voles for the mink to eat, so their population increased
D. The bears began to eat the mink in 2010 so the population of minks decreased.