Analysis of test questions: This question examines the ability to obtain material information and transfer the knowledge learned. From the title of the cartoon "Pig Sheep Fattening Cattle Race", we can see that the theme of the cartoon is related to the Great Leap Forward Movement, which exaggerates people's subjective initiative and ignores the objective law, so item C is correct; Items A, B and D are not consistent with the comic information, so they are excluded.