Which of the following statements is not correct about the proverb “羊有跪乳之恩，鸦有反哺之义。”（）

A. From this proverb we can find two idioms: 羊羔跪乳 and 乌鸦反哺

B. It comes from a poem written by Mengjiao

C. Both sheep and crow are popular images connected to filial piety

D. It can be translated into “sheep has the grace of kneeling/crow has the righteousness of feeding back”