The correct option is C Horse
People of Harappan civilisation had domesticated a wide variety of animals. It included camel, buffalo, sheep, dog, pig, oxen etc. Camels were used as a means of transportation while Oxen was used by farming community for cultivation. Dogs and cats were kept as pets. Other animal such as buffaloes and pigs were used as source of food. We came to know about the domesticated animals through their presence on seals and pictures engraved on tablets. Interestingly there is no evidence of Horses being domesticated during harappan period.