The example of herding in the third paragraph is used to prove that ______.A.enclosed herd
The example of herding in the third paragraph is used to prove that ______.
A.enclosed herding is much safer than open herding
B.enclosed herding will bring better economic results than open herding
C.enclosed herding will cause less damage to the grasslands than open herding
D.enclosed herding can achieve good economic results without causing damage to the environment