The horse says. ' My mother and an old horse seemed to know all about it.' What was it that they knew about? How did they know?​

Explanation:

Black Beauty begins by describing his earliest memories. He fondly remembers the pleasant meadow and pond of his young days, under the care of his mother and a kind master. Gradually, Black Beauty matured from drinking mother's milk to eating grass, and with that change came more independence.

the correct answer can either be a or b because it could be both but you should probally choose b