Take a train from Lianyungang to Lanzhou along the Longhai Line, and the tourist attraction you can visit by the way is (). A. summer resort, Taishan B. Hangzhou

Analysis of test questions: Longhai Line starts from Lianyungang on the coast of the Yellow Sea in the east and reaches Lanzhou in Gansu in the west, connecting Jiangsu, Anhui, Henan, Shaanxi and Gansu provinces; The summer resort is in Hebei, Mount Tai is in Shandong, the West Lake is in Hangzhou, Zhejiang, the landscape of Guilin is in Guilin, Guangxi, the Terracotta Warriors and Horses of the Qin Mausoleum are in Shaanxi Province, and the Longmen Grottoes are in Henan Province, so choose D for this topic.