Final answer:
The largest member of the cat family found in Alberta is the Cougar. It is larger than lynxes, bobcats, and non-native cheetahs.
Step-by-step explanation:
The largest member of the cat family found in Alberta is the Cougar (Option A). Cougars, also known as mountain lions or pumas, are the largest wild cats native to Alberta. They are significantly larger than lynxes, bobcats, and cheetahs are not native to Alberta or North America in general. Cougars can weigh up to 220 pounds, with a body length that can surpass 6 feet, not including the tail. This size advantage places them at the top of the size chart for cats in Alberta.