Enzo is writing the beginning of his essay about the migration of Canadian geese. Which detail would be the best fit for the introduction?

A .It is amazing that the Canadian goose has been making this long journey for hundreds of years.
B. The Canadian goose migration starts to take place as the weather gets colder in northern America, usually in November.
C. The Canadian goose migration is the bird’s seasonal movement between northern and southern America.
D. Most geese start in areas in Canada and follow a flight path to warmer states along the East Coast.