Which is a sign of deductive reasoning? A). Ali notices that a plant grows 2 inches each week. Nikki has a plant, so it must grow 2 inches each week.

B). Bruce asks his friends what kind of music they like best. They all say rock, so everyone in the world likes rock music best.

C). All even numbers are divisible by 2. The number 18 is even, so it is divisible by 2.