when we got to the farm, WE found the farmers ____ the pigs.A feeds Bfeeding C fed D are feeding

问题描述:

when we got to the farm, WE found the farmers ____ the pigs.
A feeds Bfeeding C fed D are feeding

B find sb do/doing sth
这里前面是一个时间点,所以后面是用doing 表示当时的状态