The correct option is A Bos indicus
Zebu is the common name of a breed of Indian cattle within the species Bos indicus. They are used as draught (working) and dairy cattle.
Bos taurus is a European species of cattle.
Bubalus bubalis is commonly called the domestic water buffalo or Asian water buffalo. The milk produced by them contains higher levels of fatty acids and protein than normal cow’s milk.
Sus is the generic name of pig. Pigs are widely used for meat production, biomedical research, drug testing etc.
Ovis aries is the scientific name of sheep. Wool is the textile fibre obtained from the fleece of sheep which is used in clothing such as socks, suits etc.