Analysis of the test questions: The materials of "Xiao Zhang discounted 200,000 yuan with the land use right, Xiao Wang contributed 200,000 yuan, and Xiao Li discounted 200,000 yuan with his own patented technology" not only explained the capital contribution mode of the company's shareholders, but also explained its ownership nature. The shareholders of the company contribute both patented technology and land use rights, as well as currency, which is a typical limited liability company. According to this, 4 items can be selected, and 1 item is excluded; Judging from the ownership nature of the company, the company does not belong to the state-owned economy and conforms to the characteristics of the private economy. Based on this, item 2 can be selected and item 3 can be excluded. So, the answer is item B.