Two of the following explanations about famous works are incorrect (5 points). A "Scream for Tomorrow" raises an only son through a widow's single sister-in-law.

In item A, Amao is the only son of Xianglinsao and Xianglinsao in happiness, and Bao Er is the only son of the widow Sisi. Item D "Chop Ma Su" comes after "Empty City Plan". China traditional Peking Opera drama "Lost Sky" is a combination of "Lost Street Pavilion", "Empty City Plan" and "Chopping Ma Su", and the stories of the three dramas are related.