Identify the breed that matches the descriptions below and write only the letter of the correct answer:

a. Cattle of Bos indicus type, with good carcass quality, relatively small frame, and a strong walker. They are also tolerant to external and internal parasites and diseases.

b. Cattle of Bos indicus type adapted to mountainous sourveld, cold conditions, and have a calm temperament.

c. Bos taurus type originated from Europe, adapted to cooler conditions and heavy snow in winter, and hot summers.

(3)