Please explain How does Canada's climate affect where its people live?

A.
Most Canadians live in the southern part of the country, where temperatures are milder.

B.
Most Canadians live near the United States border, where rainfall allows farming.

C.
Canadians prefer regions with colder climates, where winter sports such as hockey can be played outdoors.

D.
Most Canadians live along the coasts, where abundant rainfall allows farming.