Analysis of test questions: Businessmen's entry into the official position shows the development of commodity economy and the improvement of businessmen's status. However, businessmen have changed from businessmen to scholars, which shows that the "scholar head" has not been broken. The children of businessmen abandon business and go into politics, which is not conducive to the development of commodity economy. Therefore, choose D. Error A, and the sign of judging whether the capitalist bud appears is the employment relationship, but the materials do not reflect it; Item b is obviously contrary to the material; Error c, the wealth of businessmen in business is used in their official career, which is not conducive to the re-accumulation of capital.