A donkey may permit himself to fall under his burden, but not a human being, the best of creation.

A donkey may permit himself to fall under his burden, but not a human being, the best of creation.

A....a human being should not fail like a donkey.

B....a human being should not behave like a donkey.

C....a human being should forever strive for a better life.

D....a human being should not give up under harsh conditions.

正确答案是D