A tank for fishes :

Step-by-step solution

Aquarium : a transparent tank of water in which live fish and other water creatures and plants are kept. Aviary: a large cage, building, or enclosure for keeping birds in. Cage: a structure of bars or wires in which birds or other animals are confined. Menagerie: a collection of wild animals kept in captivity for exhibition. Hence, the correct answer is option A.