Correct option is C
Given:
Rat : Rodent
Logic: Rat : Rodent, signifies a "specific to category" relationship—where "Rat" is a specific type of "Rodent."
Lets check by options;
Option (a): Bee : Apiary
This signifies a habitat relationship, as an "Apiary" is a place where "Bees" are kept. Not the same relationship as "Rat : Rodent."
Option (b): Sailor : Ship
This signifies a person-to-object relationship, as "Sailor" uses a "Ship." Not the same relationship as "Rat : Rodent."
Option (c): Whale : Mammal
This matches the specific-to-category relationship, as "Whale" is a specific type of "Mammal." Same relationship as "Rat : Rodent."
Option (d): Nomads : Horde
This signifies a group-to-individual relationship, as "Horde" refers to a group of "Nomads." Not the same relationship as "Rat : Rodent."
So, Rat : Rodent :: Whale : Mammal correct analogy.
Thus, the correct answer is (c).