Available choices: (A). survive; (B). feel rodents; (C). kill rodents; (D). find rodents; (E). improve; (F). reproduce; (G). chew rodents; (H). An object is seen;

Fact 1: Smell is used for finding food by some animals. Fact 2: Food includes small rodents and birds. Given the two facts above, what does smell help an animal do?
Answer:
(D).