Correct Answer: Monkey : Chimpanzee : Gorilla

Solution : Given:
Cat: Lion: Jaguar (The given terms belong to the same family of animals.)

Let's check each option –
First option: Monkey : Chimpanzee; Gorilla; Belongs to the same family of animals.
Second option: Sports : Athlete;  Javelin; Javelin throw is a kind of sport and an athlete is the one who plays the sport.
Third option: Shark : Dolphin : Bat; Bat is from a different class and shark and dolphin belong to the same class.
Fourth option: Reptile : Snake : Toad; Snake and toad are reptiles.

So, So, only the first option follows the same pattern as followed by the given pair.  Hence, the first option is correct.