Final answer:
Chèvre is the cheese not made from cow's milk; it is made from goat's milk, while Jarlsberg, Gruyère, and Grana Padano are made from cow's milk. So the correct option is a.
Step-by-step explanation:
The cheese that is not made from cow's milk among the options provided is Chèvre. Chèvre is a type of cheese made from goat's milk. The other cheeses listed, Jarlsberg, Gruyère, and Grana Padano, are all made from cow's milk. Chèvre is recognized for its distinctive tangy flavor, which differentiates it from cheeses made from cow's milk that might have a milder taste. Goat's milk, compared to cow's milk, has more calcium, protein, and fat but can vary in sodium content based on specific cheese production processes.